Meeting EU Drinking Water Standards: The Critical Role of Sample Prep in Trace Contaminant Analysis

<h3><strong>Charged for Action: The Hidden Secrets of AEX Oligonucleotide Analysis</strong></h3><p><strong>Oligonucleotides—short, well-defined fragments of DNA or RNA—have become indispensable tools in modern life sciences. They underpin cutting-edge applications in molecular diagnostics, gene therapy, and pharmaceutical development. Before oligonucleotides can be confidently used in research or clinical settings, however, their quality must be rigorously assessed. Purity, sequence integrity, length distribution, and chemical modifications all play a decisive role in their performance.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_2_45eee54fa0.jpg" alt="KNAUER: Oligos Made Easy - Part 2: AEX" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_2_45eee54fa0.jpg 245w," sizes="100vw" width="1534" height="711"></p><p>Among the analytical techniques available today, <strong>anion exchange chromatography (AEX)</strong> stands out as a robust and highly informative method for characterizing oligonucleotides. By exploiting their intrinsic negative charge, AEX provides detailed insight into product composition and impurity profiles that are difficult to obtain by other approaches.</p><blockquote><p><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/6808"><strong>Part 1 of the Oligos series: A Practical Guide to Oligonucleotide Production – From Concept to Final Product</strong></a></p></blockquote><h4><strong>How Scientists Read Oligonucleotides Using Charge</strong></h4><p>At the core of AEX lies a simple but powerful principle: oligonucleotides carry a negatively charged phosphate backbone. This charge increases in a predictable way with strand length and, to a lesser extent, sequence composition. Anion exchange chromatography uses this property to separate oligonucleotides based on differences in charge strength and interaction with a positively charged stationary phase.</p><p>As a result, AEX has become one of the most widely used analytical tools for evaluating oligonucleotide quality. It allows scientists to distinguish full-length products from truncated species, degradation products, or closely related variants—often with single-nucleotide resolution.</p><h4><strong>Why Ion Exchange Works: Binding, Retention, and Release</strong></h4><p>Ion exchange chromatography (IEX) relies on electrostatic interactions between analytes and a charged stationary phase. In the case of oligonucleotides, <strong>anion exchange</strong> is used, where negatively charged molecules interact with positively charged functional groups on the resin—most commonly quaternary amines.</p><p>The system consists of two main components:</p><ul><li><strong>Stationary phase:</strong> A positively charged resin that binds anionic analytes.</li><li><strong>Mobile phase:</strong> An aqueous buffer system, typically combined with a salt gradient, that controls both pH and elution strength.</li></ul><p>Retention in AEX is governed primarily by charge. Molecules with weaker overall charge interact less strongly with the stationary phase and elute earlier, while more highly charged oligonucleotides bind more tightly and require stronger elution conditions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_1_IEX_overview_including_elution_order_dependency_on_analyte_charge_3419ad3075.jpg" alt="KNAUER: Oligos Made Easy - Part 2 AEX: Figure 1 IEX overview including elution order dependency on analyte charge." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_1_IEX_overview_including_elution_order_dependency_on_analyte_charge_3419ad3075.jpg 245w," sizes="100vw" width="1583" height="654"></p><h4><strong>The Five-Step Workflow of Ion Exchange Chromatography</strong></h4><p>AEX separations generally follow a well-established sequence of steps:</p><ol><li><strong>Column equilibration</strong><br>The column is conditioned with the starting buffer until the baseline and pH are stable. This ensures that all charged sites on the resin are ready for interaction.</li><li><strong>Sample loading</strong><br>Samples, prepared in the starting buffer, are introduced under conditions that promote binding of the target oligonucleotides while minimizing retention of unwanted impurities.</li><li><strong>Washing</strong><br>The column is washed with the starting buffer to remove uncharged or weakly interacting components. The baseline stabilizes as these species are flushed away.</li><li><strong>Elution</strong><br>Bound oligonucleotides are released using a salt or pH gradient. Increasing ionic strength introduces competing ions that displace the analytes from the resin. Weakly bound species elute first; strongly charged oligonucleotides elute later.</li><li><strong>Regeneration and re-equilibration</strong><br>A high-salt buffer removes any remaining bound material. The column is then returned to starting conditions in preparation for the next analysis.</li></ol><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_2_Five_steps_of_IEX_procedure_in_blue_outlined_using_an_example_chromatogram_in_red_38dd70b1b1.jpg" alt="KNAUER: Oligos Made Easy - Part 2 AEX: Figure 2  Five steps of IEX procedure (in blue), outlined using an example chromatogram (in red)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_2_Five_steps_of_IEX_procedure_in_blue_outlined_using_an_example_chromatogram_in_red_38dd70b1b1.jpg 245w," sizes="100vw" width="1583" height="674"></p><h4><strong>Why AEX Is Especially Effective for Oligonucleotides</strong></h4><p>The repeating phosphate backbone of oligonucleotides gives rise to a strong and uniform anionic character across a wide pH range (typically pH 7–9). This makes oligonucleotides exceptionally well suited for anion exchange separations.</p><p>Key factors influencing AEX behavior include:</p><ul><li><strong>Charge density:</strong> Longer oligonucleotides carry more negative charges and therefore exhibit stronger retention.</li><li><strong>Resin chemistry:</strong> Strong and weak anion exchangers differ in functional groups and pH stability, influencing selectivity and robustness.</li><li><strong>Buffer composition:</strong> The choice of buffering ions and salt gradients directly affects elution strength and resolution.</li></ul><p>Salt gradients—commonly based on chloride ions—compete with the oligonucleotide backbone for binding sites on the resin. By carefully tuning gradient slope and composition, analysts can achieve highly reproducible and finely resolved separations.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_3_Ionic_interactions_and_p_H_influence_on_Anion_Exchange_Chromatography_AEX_612e231ba4.jpg" alt="KNAUER: Oligos Made Easy - Part 2 AEX: Figure 3 Ionic interactions and pH influence on Anion Exchange Chromatography (AEX)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_3_Ionic_interactions_and_p_H_influence_on_Anion_Exchange_Chromatography_AEX_612e231ba4.jpg 245w," sizes="100vw" width="1547" height="593"></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_4_AEX_buffer_selection_and_gradient_strategy_chromatogram_with_red_buffer_gradient_curve_53fd1bb11b.jpg" alt="KNAUER: Oligos Made Easy - Part 2 AEX: Figure 4 AEX buffer selection and gradient strategy (chromatogram with red buffer gradient curve)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_4_AEX_buffer_selection_and_gradient_strategy_chromatogram_with_red_buffer_gradient_curve_53fd1bb11b.jpg 245w," sizes="100vw" width="1600" height="327"></p><h4><strong>AEX as the Gold Standard for Oligonucleotide Separation</strong></h4><p>Anion exchange chromatography has become the method of choice for both analytical and preparative oligonucleotide workflows. Its advantages include:</p><ul><li><strong>High resolving power:</strong> Closely related impurities, including n–1 or n–2 species, can often be separated and quantified.</li><li><strong>Predictable retention behavior:</strong> In many cases, retention time correlates linearly with oligonucleotide length, simplifying identification.</li><li><strong>Compatibility with modified oligonucleotides:</strong> Even chemically modified sequences retain their anionic nature, allowing AEX to resolve both products and related impurities.</li><li><strong>Excellent control via gradient elution:</strong> Salt gradients provide precise tuning of selectivity and resolution.</li></ul><p>Typically, shorter or degraded oligonucleotides elute at lower ionic strength, while full-length products with higher charge density appear later in the chromatogram.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_5_AEX_Advantages_and_Challenges_7835521e34.jpg" alt="KNAUER: Oligos Made Easy - Part 2 AEX: Figure 5 AEX Advantages and Challenges." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Oligos_Made_Easy_Part_2_AEX_Figure_5_AEX_Advantages_and_Challenges_7835521e34.jpg 245w," sizes="100vw" width="1535" height="707"></p><h4><strong>Final Perspective: Mastering AEX with Confidence</strong></h4><p>Anion exchange chromatography may appear complex at first, but with thoughtful optimization of pH, buffer composition, and gradient conditions, it becomes a highly precise and reliable tool for oligonucleotide analysis. When properly applied, AEX delivers sharp peaks, excellent resolution, and robust performance—even for challenging sequences and modifications.</p><p>For laboratories developing or refining oligonucleotide workflows, AEX offers both analytical depth and operational confidence.</p><blockquote><p>If you would like to discuss AEX method development or optimization for oligonucleotides, feel free to contact us at <strong>sales@knauer.net</strong>. More insights into practical oligonucleotide analysis will follow in our <i>“Oligos Made Easy”</i> series.</p><p>For technical questions or in-depth discussion, the author can be reached at <strong>kindler@knauer.net</strong></p></blockquote>

Oligos Made Easy - Part 2: AEX

<p><strong>Although modern agriculture needs to be based on accurate real-time data on soil, plant, and environmental conditions, affordable, sufficiently sensitive, and robust monitoring devices for this purpose are currently missing. According to scientists, low-cost sensors based on new smart materials and printing technologies offer a suitable solution. The results of multidisciplinary research thus far and proposals for the development of these devices have been presented by researchers from Czechia, Great Britain, Spain, and the USA in a review article in the prestigious journal </strong><a target="_blank" rel="noopener noreferrer" href="https://www.nature.com/articles/s41467-026-68778-6#Abs1"><i><strong>Nature Communications</strong></i></a><strong>.</strong></p><p>“<i>Sensor technologies for monitoring plant health are still in their infancy. Only simple sensors capable of monitoring basic parameters such as pH, soil moisture, or temperature are commonly available on the market. However, if farmers are to face current challenges, including climate change, and ensure sufficient food for humanity, they need much more effective tools that will enable them to monitor, for example, various pathogens, including bacteria and fungi. In our opinion, a suitable solution is a combination of new smart materials and printing for the production of inexpensive, durable, and scalable materials</i>,” said the article’s first author, <strong>David Panáček</strong> from CATRIN, who worked on the study during his internship at Imperial College London.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/CATRIN_Soucasne_senzory_nestaci_Vedci_navrhuji_novou_cestu_ke_sledovani_zdravi_rostlin_b4014952a3.jpg" alt="CATRIN: David Panáček" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_CATRIN_Soucasne_senzory_nestaci_Vedci_navrhuji_novou_cestu_ke_sledovani_zdravi_rostlin_b4014952a3.jpg 208w," sizes="100vw" width="1536" height="1152"></p><p>Sensors for monitoring plant health, for example, lag behind similar devices used in human medicine. According to the authors, advances in materials science, which will enable the development of scalable sensor technologies, play a key role in this potential shift. “<i>Printing techniques, including inkjet printing, screen printing, aerosol printing, 3D printing, and direct laser writing, offer flexible ways to produce flexible sensors, large-area sensors, and sensors integrated directly into plants. The review article summarizes recent advances in printable low-dimensional materials for agricultural sensors, analyzes their physico-chemical properties in relation to sensor performance, and discusses key challenges and future opportunities requiring interdisciplinary integration</i>,” said one of the corresponding authors, <strong>Michal Otyepka</strong>.</p><p>The research brought together materials scientists, chemists, biologists, sensing experts, and printing technology specialists. Materials research and the use of graphene-based smart materials were led by scientists from CATRIN at Palacký University and VŠB-Technical University of Ostrava. Plant biologists from CATRIN contributed their knowledge of plant development, their responses to stress conditions, and the monitoring of their properties. Researchers from Imperial College London took care of the electronics, while representatives from<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/companies/36"><strong> CEITEC – VUT</strong></a> focused on printing technologies. The team also included leading experts in sensing from the Catalan Institute of Nanoscience and Nanotechnology in Barcelona, and Joseph Wang of the University of California San Diego, the “father of sensing and electrochemistry,” also contributed his extensive knowledge.</p><p>“<i>This is a groundbreaking study on this topic, which has managed to attract some truly big names in their respective fields. Last but not least, the study demonstrates that interdisciplinarity at CATRIN gives rise to completely new and promising research topics, such as plant sensing and its use for studying plant-environment interactions and smart agriculture,</i>” added another corresponding author, <strong>Nuria De Diego</strong>.</p>

Current sensors are not good enough. Scientists propose a new way to monitor plant health

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The Czech Advanced Technology and Research Institute (CATRIN) at Palacký University is a cutting-edge scientific hub dedicated to advancing research in the fields of nanotechnology, biotechnology, and biomedicine. At its core, CATRIN boasts outstanding scientific teams, featuring international researchers. We emphasize interdisciplinarity, foster global collaborations, and work to translate our research findings into practical applications.

CATRIN

Organomation, founded in 1959, designs and manufactures high-quality nitrogen evaporators and extraction systems. Known for innovation and durability, their lab instruments are used globally for efficient sample preparation with strong customer support.

Organomation

Based in Berlin, KNAUER is a medium-sized, owner-managed company that has been serving the sciences since 1962. We develop and manufacture scientific instruments of superior quality for liquid chromatography, including: Analytical HPLC/UHPLC, Preparative HPLC, Fast protein liquid chromatography (FPLC), Multi-column chromatography/Simulated moving bed (SMB) chromatography. High pressure dosing, in-line detection systems, and osmometry are additional business areas.

KNAUER

Waters ACQUITY UPLC HSS CN Column

Waters ACQUITY UPLC HSS CN chemistry is an ultra-performance general purpose propyl cyano bonded phase that provides superior peak shape for bases, increased retention, and extremely long column lifetimes at low pH.

<p><strong>ACQUITY UPLC HSS CN</strong> chemistry is an ultra-performance general purpose <strong>propyl cyano bonded phase</strong> that provides <strong>superior peak shape</strong> <strong>for bases</strong>, <strong>increased retention</strong>, and <strong>extremely long column lifetimes at low pH</strong>. ACQUITY HSS CN columns are fully scalable and transferable to HPLC separations.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> Cyno (CN)</li><li><strong>Separation Mode: </strong>Reversed Phase</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 2 pH</li><li><strong>pH Range Max: </strong>8 pH</li><li><strong>Endcapped: </strong>No</li><li><strong>Silanol Activity: </strong>High</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>100 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> HSS</li><li><strong>USP Classification:</strong> L10</li><li><strong>Carbon Load: </strong>5 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg" alt="Waters: ACQUITY UPLC HSS CN Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>ACQUITY UPLC Columns</strong></h3><h5><strong>Increase speed, sensitivity, and resolution, without compromising data integrity</strong></h5><p>Increasing sample throughput, achieving unmatched resolution, and improving analyte sensitivity are priorities for your separation goals. With Waters ACQUITY UPLC Columns, you can meet all your method requirements and substantially reduce your analysis time and cost-per-sample.</p><p>Waters <strong>ACQUITY UPLC Columns’ sub-2-µm particle chemistries</strong> enable chromatographers to harness the separation efficiency improvements at increased flow rates of ultra-performance liquid chromatography (UPLC) technology, thereby improving analyte resolution and sensitivity as well as business productivity and profitability. &nbsp;</p><h4><strong>Overview</strong></h4><ul><li>Best-in-class column efficiency for superior separation speed, sensitivity, and resolution</li><li><strong>8 UPLC particles</strong> of various substrate technologies, including Ethylene Bridged Hybrid (BEH), High Strength Silica (HSS), and Charged Surface Hybrid (CSH)</li><li><strong>22 stationary phases</strong>, including C18, Phenyl-Hexyl, C8, Embedded-Polar, C4, HILIC, Amide, Diol, Cyano, and PFP</li><li><strong>7 application-specific UPLC Column chemistries</strong> for SEC, proteins, peptides, oligonucleotides, glycan, and amino acid analysis</li><li><strong>More than 50 different column dimensions and configurations</strong>, with internal column diameters ranging from 1.0–4.6 mm and column lengths ranging from 30–300 mm</li><li><strong>Prolonged column lifetimes</strong> with optional <strong>VanGuard Cartridges</strong> specifically designed using ACQUITY stationary phases</li><li><strong>Recommended Use: </strong>For improved speed, sensitivity, and resolution in methods development.</li></ul><h4><strong>Particle technology</strong></h4><h5><strong>BEH - Ethylene Bridged Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC BEH </strong>1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable the separation scientist to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_BEH_technology_c07876b8a3.jpg" alt="Waters: BEH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_BEH_technology_c07876b8a3.jpg 170w," sizes="100vw" width="1050" height="964"></p><h5><strong>CSH - Charged Surface Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC CSH™</strong> 1.7 µm fully porous columns provide superior peak shape for basic analytes when using low ionic strength acidic mobile phases (e.g. 0.1% formic acid). With CSH Technology, the controlled low-level positive surface charge provides exceptional peak shape for basic analytes which can be achieved without the use of ion pairing reagents. Typically reversed-phase bonded phases have poor peak shape for basic compounds in formic acid even at analytical mass loads. Built on the rugged Ethylene Bridged Hybrid (BEH) particle, ACQUITY UPLC CSH phases can withstand the toughest operating conditions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_technology_ff4ddc1708.jpg" alt="Waters: CSH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_technology_ff4ddc1708.jpg 169w," sizes="100vw" width="1049" height="968"></p><h5><strong>HSS - High Strength Silica (HSS) Particle Technology</strong></h5><p>ACQUITY UPLC HSS 1.8 µm fully porous columns provide expected silica particle-like performance to the UPLC family. The HSS particles’ high surface area, and lower pore volume provide increased retentivity over the hybrid particles. This robust particle technology is available in five uniquely different bonded phases, which truly maximize the selectivity space. The wide array of bonded phases associated with ACQUITY UPLC HSS Columns enable traditional hydrophobic reversed-phase interactions along with dipole-dipole interactions, aromatic interactions, and hydrogen bonding interactions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_HSS_technology_b12d3ddfab.jpg" alt="Waters: HSS particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_HSS_technology_b12d3ddfab.jpg 162w," sizes="100vw" width="975" height="936"></p><h4><strong>Get superior peak shape for basic analytes</strong></h4><p>Reversed-phase bonded phases typically have poor peak shape for basic compounds when using formic acid, even at analytical mass loads. However, ACQUITY UPLC CSH Columns are the exception. These rugged UPLC Columns provide superior peak shape for basic analytes with formic acid or other low ionic-strength, acidic mobile phases. The controlled, low-level, positive surface charge bonded to the ethylene-bridged hybrid (BEH) particles provides excellent peak shape for bases—without the need for the use of ion-pairing reagents.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg" alt="Waters: Analysis of ziprasidone peroxide degradation on an ACQUITY UPLC CSH C18 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg 245w," sizes="100vw" width="1024" height="485"></p><h4><strong>The ruggedness you want, the repeatability you need</strong></h4><p>ACQUITY UPLC BEH 1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable separation scientists to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg" alt="Waters: ACQUITY UPLC BEH Columns can be used at the extremes of mobile phase pH (1-12) to enhance retention and specificity for complex samples that include mixtures of acidic, basic, and neutral analytes." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg 195w," sizes="100vw" width="1024" height="823"></p><h4><strong>Achieve flexibility in method development</strong></h4><p>Chromatographic laboratories need to quickly and easily develop robust methods that are compatible with all modern chromatographic detection modes and transferrable to laboratories and sites that operate different LC system platforms. With ACQUITY UPLC CSH and XSelect Columns, method development scientists in all application areas can achieve a wide range of selectivities without compromising performance across attributes, including superior peak shape for basic compounds, low column bleeds, excellent batch-to-batch reproducibility, and high efficiency.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg" alt="Waters: CSH Columns offer a wide range of selectivity differences (large S-values)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg 136w," sizes="100vw" width="1024" height="1173"></p>

Waters ACQUITY UPLC BEH Phenyl Column

The Waters ACQUITY BEH Phenyl columns provide complementary selectivity to C18 stationary phases, especially for polyaromatic compounds. 

<p><strong>ACQUITY BEH Phenyl </strong>columns provide <strong>complementary selectivity to C18</strong> stationary phases, <strong>especially for polyaromatic compounds</strong>. This sorbent, along with the <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1828"><strong>XBridge BEH Phenyl</strong></a>, provide you with the most chemiscally stable phenyl sorbent on the market and provides you with ultra-low column bleed, long column lifetimes and excellent peak shape.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> Phenyl</li><li><strong>Separation Mode: </strong>Reversed Phase</li><li><strong>Particle Substrate:</strong> Hybrid</li><li><strong>pH Range Min</strong>: 1 pH</li><li><strong>pH Range Max: </strong>12 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>Yes</li><li><strong>Silanol Activity: </strong>Low</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>130 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> BEH</li><li><strong>USP Classification:</strong> L11</li><li><strong>Carbon Load: </strong>15 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg" alt="Waters: ACQUITY UPLC BEH Phenyl Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>ACQUITY UPLC Columns</strong></h3><h5><strong>Increase speed, sensitivity, and resolution, without compromising data integrity</strong></h5><p>Increasing sample throughput, achieving unmatched resolution, and improving analyte sensitivity are priorities for your separation goals. With Waters ACQUITY UPLC Columns, you can meet all your method requirements and substantially reduce your analysis time and cost-per-sample.</p><p>Waters <strong>ACQUITY UPLC Columns’ sub-2-µm particle chemistries</strong> enable chromatographers to harness the separation efficiency improvements at increased flow rates of ultra-performance liquid chromatography (UPLC) technology, thereby improving analyte resolution and sensitivity as well as business productivity and profitability. &nbsp;</p><h4><strong>Overview</strong></h4><ul><li>Best-in-class column efficiency for superior separation speed, sensitivity, and resolution</li><li><strong>8 UPLC particles</strong> of various substrate technologies, including Ethylene Bridged Hybrid (BEH), High Strength Silica (HSS), and Charged Surface Hybrid (CSH)</li><li><strong>22 stationary phases</strong>, including C18, Phenyl-Hexyl, C8, Embedded-Polar, C4, HILIC, Amide, Diol, Cyano, and PFP</li><li><strong>7 application-specific UPLC Column chemistries</strong> for SEC, proteins, peptides, oligonucleotides, glycan, and amino acid analysis</li><li><strong>More than 50 different column dimensions and configurations</strong>, with internal column diameters ranging from 1.0–4.6 mm and column lengths ranging from 30–300 mm</li><li><strong>Prolonged column lifetimes</strong> with optional <strong>VanGuard Cartridges</strong> specifically designed using ACQUITY stationary phases</li><li><strong>Recommended Use: </strong>For improved speed, sensitivity, and resolution in methods development.</li></ul><h4><strong>Particle technology</strong></h4><h5><strong>BEH - Ethylene Bridged Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC BEH </strong>1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable the separation scientist to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_BEH_technology_c07876b8a3.jpg" alt="Waters: BEH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_BEH_technology_c07876b8a3.jpg 170w," sizes="100vw" width="1050" height="964"></p><h5><strong>CSH - Charged Surface Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC CSH™</strong> 1.7 µm fully porous columns provide superior peak shape for basic analytes when using low ionic strength acidic mobile phases (e.g. 0.1% formic acid). With CSH Technology, the controlled low-level positive surface charge provides exceptional peak shape for basic analytes which can be achieved without the use of ion pairing reagents. Typically reversed-phase bonded phases have poor peak shape for basic compounds in formic acid even at analytical mass loads. Built on the rugged Ethylene Bridged Hybrid (BEH) particle, ACQUITY UPLC CSH phases can withstand the toughest operating conditions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_technology_ff4ddc1708.jpg" alt="Waters: CSH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_technology_ff4ddc1708.jpg 169w," sizes="100vw" width="1049" height="968"></p><h5><strong>HSS - High Strength Silica (HSS) Particle Technology</strong></h5><p>ACQUITY UPLC HSS 1.8 µm fully porous columns provide expected silica particle-like performance to the UPLC family. The HSS particles’ high surface area, and lower pore volume provide increased retentivity over the hybrid particles. This robust particle technology is available in five uniquely different bonded phases, which truly maximize the selectivity space. The wide array of bonded phases associated with ACQUITY UPLC HSS Columns enable traditional hydrophobic reversed-phase interactions along with dipole-dipole interactions, aromatic interactions, and hydrogen bonding interactions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_HSS_technology_b12d3ddfab.jpg" alt="Waters: HSS particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_HSS_technology_b12d3ddfab.jpg 162w," sizes="100vw" width="975" height="936"></p><h4><strong>Get superior peak shape for basic analytes</strong></h4><p>Reversed-phase bonded phases typically have poor peak shape for basic compounds when using formic acid, even at analytical mass loads. However, ACQUITY UPLC CSH Columns are the exception. These rugged UPLC Columns provide superior peak shape for basic analytes with formic acid or other low ionic-strength, acidic mobile phases. The controlled, low-level, positive surface charge bonded to the ethylene-bridged hybrid (BEH) particles provides excellent peak shape for bases—without the need for the use of ion-pairing reagents.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg" alt="Waters: Analysis of ziprasidone peroxide degradation on an ACQUITY UPLC CSH C18 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg 245w," sizes="100vw" width="1024" height="485"></p><h4><strong>The ruggedness you want, the repeatability you need</strong></h4><p>ACQUITY UPLC BEH 1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable separation scientists to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg" alt="Waters: ACQUITY UPLC BEH Columns can be used at the extremes of mobile phase pH (1-12) to enhance retention and specificity for complex samples that include mixtures of acidic, basic, and neutral analytes." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg 195w," sizes="100vw" width="1024" height="823"></p><h4><strong>Achieve flexibility in method development</strong></h4><p>Chromatographic laboratories need to quickly and easily develop robust methods that are compatible with all modern chromatographic detection modes and transferrable to laboratories and sites that operate different LC system platforms. With ACQUITY UPLC CSH and XSelect Columns, method development scientists in all application areas can achieve a wide range of selectivities without compromising performance across attributes, including superior peak shape for basic compounds, low column bleeds, excellent batch-to-batch reproducibility, and high efficiency.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg" alt="Waters: CSH Columns offer a wide range of selectivity differences (large S-values)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg 136w," sizes="100vw" width="1024" height="1173"></p>

Waters CERTIFIED HPLC Vials

Reducing failed assays from unknown contaminant peaks and limiting instrument downtime from out of specification vials is a priority for your lab. Waters sample vials can help you do just that.

<div><div><h4><strong>Meet your analytical challenges with the right vial.</strong></h4></div></div><div><div><p><strong>The right vial.&nbsp;</strong><span><strong>A world of difference.</strong></span></p><p>Reducing failed assays from unknown contaminant peaks and limiting instrument downtime from out of specification vials is a priority for your lab. Waters sample vials can help you do just that.</p><p>All Waters sample vials are held to the tightest dimensional tolerances. Manufactured via a 2-, 3-, or 4-step certification process, we ensure that Waters Certified Vials meet and maintain specified vial dimensions, levels of cleanliness and adsorption properties from batch to batch.&nbsp;Find the right vial for your application and autosampler - use our <a target="_blank" rel="noopener noreferrer" href="https://find.waters.com/VialSelector/"><strong>Vial Selector</strong></a> to find your perfect match.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_118649175c.jpg" alt="Waters CERTIFIED Vials: Table 1. Vials for Routine and Advanced Analyses." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_118649175c.jpg 245w," sizes="100vw" width="1226" height="754"></p><h3><strong>Waters LCMS CERTIFIED</strong></h3><p><span><strong>✅ </strong></span>Dimensional Test</p><p><span><strong>✅ </strong></span>Septum GC Test</p><p><span><strong>✅ </strong></span>HPLC UV Test</p><p><span><strong>✅ </strong></span>MS Scan</p><ul><li>Low MS interferences from known residues &amp; polymers</li><li>For routine QC and LC-MS analysis with lower analyte concentrations from 10-100s ng/ml.</li></ul><h3><strong>Waters TruView<sup>TM</sup> LCMS CERTIFIED</strong></h3><p><span><strong>✅ </strong></span>Dimensional Test</p><p><span><strong>✅ </strong></span>Septum GC Test</p><p><span><strong>✅ </strong></span>HPLC UV Test</p><p><span><strong>✅ </strong></span>MS Scan</p><p><span><strong>✅&nbsp;</strong></span>Low Adsorption Test</p><div><div><ul><li>Lowest MS interferences from known residues &amp; polymers</li><li>For high-end LC-MS analysis and quantification of analytes with a concentration of below 1 ng/ml with reduced adsorption of polar analytes.</li></ul><h3><strong>Waters CERTIFIED</strong></h3><p><span><strong>✅ </strong></span>Dimensional Test</p><p><span><strong>✅ </strong></span>Septum GC Test</p><p><span><strong>✅ </strong></span>HPLC UV Test</p><div><div><ul><li>No UV interferences caused caused by manufacturing and packaging residues</li><li>For routine QC LC-UV analysis&nbsp;of compounds in µg/mL&nbsp;concentrations.&nbsp;</li></ul><h3><strong>MAXPEAK QuanRecovery</strong></h3><ul><li>For high recovery peptide and protein quantification workflows. Reduces sample losses due to non-specific binding (NSB) and ionic interactions.</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_2_4fba532335.jpg" alt="Waters CERTIFIED Vials: Vials Shapes." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_2_4fba532335.jpg 245w," sizes="100vw" width="1261" height="617"></p><div><div><h3><strong>Control data quality risks and reduce unexpected or ghost peaks</strong></h3><p>Don’t let the presence of background noise impact your results, causing data quality risks and unexpected or ghost peaks. Background noise can come from many factors.&nbsp;One of the most important factors are vial and septa cleanliness, which introduces contamination peaks. Ghost peaks are introduced by analyte degradation that can be triggered by significant pH changes in the diluent. In this chromatogram, the top shows normal behavior, and the bottom chromatogram shows ghost peaks.</p><p>Waters Certified vials are cleanliness tested so you don’t have to worry about contaminant peaks. The TruView pH Control Vials are certified to minimize and control a pH shift away from the neutral.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_4_7749301ba1.jpg" alt="Waters CERTIFIED Vials: Prevent the appearance of unexpected peaks during LC/UV analysis with Waters LC/GC Certified Vials as a control strategy." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_4_7749301ba1.jpg 245w," sizes="100vw" width="1024" height="535"></p><h3><strong>More time on development. Less on troubleshooting</strong></h3><p>Stop losing valuable development time on troubleshooting due to analyte loss from non-specific adsorption. Waters TruView pH Control LCMS Certified Vials have the lowest adsorptive losses on the market, and you can rely on them to provide consistency from batch to batch and vial to vial. This chromatogram shows a comparison of adsorptive loss of chlorhexidine in a variety of vials.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_5_d3e42fa7f2.jpg" alt="Waters CERTIFIED Vials: Comparison of adsorptive loss of chlorhexidine acetate in a variety of vials." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_5_d3e42fa7f2.jpg 245w," sizes="100vw" width="1024" height="633"></p><div><div><h3><strong>Ideal for demanding MS work</strong></h3><p>LCMS Certified Vials are suited for analyte concentrations in the 100s ng/mL concentration. Waters LCMS Certified Vials are tested by MS scans from 250 to 1000 <i>m/z</i> with specifications set on the total ion count and presence of clusters in the high mass range. This chromatogram shows a comparison of typical MS scans of Waters LCMS Certified Vials to vials of other sources and clean solvents.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_3_4869fbf57a.jpg" alt="Waters CERTIFIED Vials: Comparing typical MS scans of Waters LCMS Certified Vials, with vials from other sources." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_3_4869fbf57a.jpg 245w," sizes="100vw" width="1024" height="406"></p><div><div><h3><strong>Stay in control of your samples' pH</strong></h3><p>The analysis of low abundance species, pH sensitive analytes or not yet well understood compound mixtures benefit from consistent and well controlled vial surfaces. The glass surface of TruView pH Control LCMS Certified Vials minimizes pH shifts away from the neutral and thus eliminates unwanted reactions and resulting ghost peaks.&nbsp;Ghost peaks are very difficult to troubleshoot.</p><p>Waters TruView pH Control LCMS Certified vials were used to analyze two compounds, drospirenone and lovastatin. The TruView pH Control LCMS Certified Vials show little to no degradant formed over the time tested. Standard glass vials showed considerable degradant formation over the same testing time with irreproducible formation of the degradant across different vials.&nbsp;</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_6_4dc330d849.jpg" alt="Waters CERTIFIED Vials: UV peak areas of lovastatin degradant across replicate vials and different vial types. Error bars indicate standard deviation for the replicate injection peak area." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_6_4dc330d849.jpg 245w," sizes="100vw" width="1024" height="605"></p><div><div><h3><strong>Reducing adsorption starts here</strong></h3><p>Inconsistent analytical results from small molecule analyte adsorption onto the surface of glass vials can be a problem at today’s low analyte concentrations. Some scientists have even experienced total analyte loss with samples stored in vials for an extended time. The vial chemistry, specifically the&nbsp;glass surface, is the major contributor to this problem.</p><p>Polar analytes&nbsp;may adsorb to the glass vial surface by polar-polar interaction and/or ion exchange mechanisms, thereby reducing the overall amount of sample in solution. TruView Certified LCMS Vials&nbsp;reduce this problem dramatically due to a stringent manufacturing process. The process yields a glass surface that has a lower concentration of free ions on the surface.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CERTIFIED_Vials_8_064003b933.jpg" alt="Waters CERTIFIED Vials: Nortriptyline at 1 ppb concentration in several vials. The tall peak is the initial injection; the smaller peak (overlaid) is the four-hour injection. The first two chromatograms are competitor’s vials. The third chromatogram is for the Waters TruView LCMS Certified vial. " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CERTIFIED_Vials_8_064003b933.jpg 245w," sizes="100vw" width="1912" height="1182"></p><div><div><h3><strong>No analyte left behind</strong></h3><p>Instrument development is yielding more sensitive mass spectrometers. With more sensitive instruments, analytes can be detected at pg/mL levels. At these concentrations, understanding adsorption issues is critical for good quantitative results. We tested adsorption loss for the major manufacturers and saw high sample loss across manufacturers and clear and amber glass types – with significantly less loss with Waters TruView Autosampler Vials.</p><h4><strong>Average Analyte Loss</strong></h4><p><strong>Manufacturer: Clear Glass / Amber Glass</strong></p><ul><li><strong>Vendor A</strong>: 55% / 69%</li><li><strong>Vendor B</strong>: 25% / 25%</li><li><strong>Vendor C</strong>: 54% / 74%</li><li><strong>Vendor D</strong>: 18% / 59%</li><li><strong>Vendor E</strong>: 75% / Not tested</li><li><strong>Waters TruView LCMS Certified Vial</strong>: 1% / 6%</li></ul></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>

Waters ACQUITY Advanced Polymer Chromatography (APC) Calibration Standards Kits

Eliminate manual preparation of custom standard calibration mixes with ACQUITY Advanced Polymer Chromatography (APC) Calibration Standards.

<div><div><h3><strong>Frequent calibration for greater confidence in your results</strong></h3></div></div><div><div><p><strong>Eliminate manual preparation of custom standard calibration mixes with ACQUITY Advanced Polymer Chromatography (APC) Calibration Standards, which provide the right number of data points for your targeted molecular weight (MW) range. ACQUITY APC Calibration Standards are specifically designed to match the molecular weight range of the </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1950"><strong>ACQUITY APC Columns</strong></a><strong>.</strong></p><p>ACQUITY APC polymethylmethacrylate and polystyrene standards are configured into <strong>Low</strong>, <strong>Middle</strong>, and <strong>High Molecular Weight Calibration Kits</strong>, as well as a convenient<strong> Method Development Kit </strong>that includes the full separation range of all three kits combined. These chromatography standards are designed to provide a maximum range of narrow standard data points for a specific column set or molar mass range.</p><p>With ACQUITY APC Calibration Standards, you can conduct calibration with<strong> 3-5x shorter cycle times</strong>, enabling you to run more replicates and more easily include calibration with each test set. With increased calibration frequency, you can have higher confidence in the accuracy of each test run.</p><div><div><ul><li><strong>Simple and easy</strong>&nbsp;to use by adding solvent and injecting</li><li><strong>Shorter preparation time</strong> resulting in faster calibration cycle time</li><li><strong>Greater confidence</strong> in molecular weight determination of samples</li><li><strong>Reduce variances</strong> in analysis providing increased product quality</li></ul><div><div><p><strong>Recommended Use:&nbsp;</strong>For <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/194"><strong>advanced polymer chromatography </strong></a>calibration.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_Advanced_Polymer_Chromatography_APC_Calibration_Standards_Kits_2_1e32010bc1.jpg" alt="Waters ACQUITY Advanced Polymer Chromatography (APC) Calibration Standards Kits: The ACQUITY Advanced Polymer Chromatography (APC) Calibration Standards are available in polystyrene and polymethylmethacrylate configured into Low, Middle, and High Molecular Weight Calibration Kits. " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_Advanced_Polymer_Chromatography_APC_Calibration_Standards_Kits_2_1e32010bc1.jpg 245w," sizes="100vw" width="1024" height="565"></p></div></div></div></div></div></div>

Waters ACQUITY UPLC BEH HILIC HPLC Columns

Waters ACQUITY BEH HILIC columns contain unbonded BEH substrate and are designed to retain and separate very polar compounds.

<p><strong>ACQUITY BEH HILIC columns </strong>contain <strong>unbonded BEH substrate</strong> and are designed to retain and separate <strong>very polar compounds.</strong> These unique columns are optimized and tested to produce efficient, reproducible separations under HPLC HILIC conditions. More rugged than silica based HILIC phases, the BEH particle’s chemical stability results in long column lifetimes.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> HILIC</li><li><strong>Separation Mode: </strong>Hydrophilic Interaction (HILIC)</li><li><strong>Particle Substrate:</strong> Hybrid</li><li><strong>pH Range Min</strong>: 1 pH</li><li><strong>pH Range Max: </strong>9 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>No</li><li><strong>Silanol Activity: </strong>High</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>130 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> BEH</li><li><strong>USP Classification:</strong> L3</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg" alt="Waters: ACQUITY UPLC BEH HILIC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_C8_Column_9c78ca994d.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>ACQUITY UPLC Columns</strong></h3><h5><strong>Increase speed, sensitivity, and resolution, without compromising data integrity</strong></h5><p>Increasing sample throughput, achieving unmatched resolution, and improving analyte sensitivity are priorities for your separation goals. With Waters ACQUITY UPLC Columns, you can meet all your method requirements and substantially reduce your analysis time and cost-per-sample.</p><p>Waters <strong>ACQUITY UPLC Columns’ sub-2-µm particle chemistries</strong> enable chromatographers to harness the separation efficiency improvements at increased flow rates of ultra-performance liquid chromatography (UPLC) technology, thereby improving analyte resolution and sensitivity as well as business productivity and profitability. &nbsp;</p><h4><strong>Overview</strong></h4><ul><li>Best-in-class column efficiency for superior separation speed, sensitivity, and resolution</li><li><strong>8 UPLC particles</strong> of various substrate technologies, including Ethylene Bridged Hybrid (BEH), High Strength Silica (HSS), and Charged Surface Hybrid (CSH)</li><li><strong>22 stationary phases</strong>, including C18, Phenyl-Hexyl, C8, Embedded-Polar, C4, HILIC, Amide, Diol, Cyano, and PFP</li><li><strong>7 application-specific UPLC Column chemistries</strong> for SEC, proteins, peptides, oligonucleotides, glycan, and amino acid analysis</li><li><strong>More than 50 different column dimensions and configurations</strong>, with internal column diameters ranging from 1.0–4.6 mm and column lengths ranging from 30–300 mm</li><li><strong>Prolonged column lifetimes</strong> with optional <strong>VanGuard Cartridges</strong> specifically designed using ACQUITY stationary phases</li><li><strong>Recommended Use: </strong>For improved speed, sensitivity, and resolution in methods development.</li></ul><h4><strong>Particle technology</strong></h4><h5><strong>BEH - Ethylene Bridged Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC BEH </strong>1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable the separation scientist to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_BEH_technology_c07876b8a3.jpg" alt="Waters: BEH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_BEH_technology_c07876b8a3.jpg 170w," sizes="100vw" width="1050" height="964"></p><h5><strong>CSH - Charged Surface Hybrid Particle Technology</strong></h5><p><strong>ACQUITY UPLC CSH™</strong> 1.7 µm fully porous columns provide superior peak shape for basic analytes when using low ionic strength acidic mobile phases (e.g. 0.1% formic acid). With CSH Technology, the controlled low-level positive surface charge provides exceptional peak shape for basic analytes which can be achieved without the use of ion pairing reagents. Typically reversed-phase bonded phases have poor peak shape for basic compounds in formic acid even at analytical mass loads. Built on the rugged Ethylene Bridged Hybrid (BEH) particle, ACQUITY UPLC CSH phases can withstand the toughest operating conditions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_technology_ff4ddc1708.jpg" alt="Waters: CSH particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_technology_ff4ddc1708.jpg 169w," sizes="100vw" width="1049" height="968"></p><h5><strong>HSS - High Strength Silica (HSS) Particle Technology</strong></h5><p>ACQUITY UPLC HSS 1.8 µm fully porous columns provide expected silica particle-like performance to the UPLC family. The HSS particles’ high surface area, and lower pore volume provide increased retentivity over the hybrid particles. This robust particle technology is available in five uniquely different bonded phases, which truly maximize the selectivity space. The wide array of bonded phases associated with ACQUITY UPLC HSS Columns enable traditional hydrophobic reversed-phase interactions along with dipole-dipole interactions, aromatic interactions, and hydrogen bonding interactions.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_HSS_technology_b12d3ddfab.jpg" alt="Waters: HSS particle technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_HSS_technology_b12d3ddfab.jpg 162w," sizes="100vw" width="975" height="936"></p><h4><strong>Get superior peak shape for basic analytes</strong></h4><p>Reversed-phase bonded phases typically have poor peak shape for basic compounds when using formic acid, even at analytical mass loads. However, ACQUITY UPLC CSH Columns are the exception. These rugged UPLC Columns provide superior peak shape for basic analytes with formic acid or other low ionic-strength, acidic mobile phases. The controlled, low-level, positive surface charge bonded to the ethylene-bridged hybrid (BEH) particles provides excellent peak shape for bases—without the need for the use of ion-pairing reagents.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg" alt="Waters: Analysis of ziprasidone peroxide degradation on an ACQUITY UPLC CSH C18 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Analysis_of_ziprasidone_peroxide_degradation_on_an_ACQUITY_UPLC_CSH_C18_Column_56909f1dc8.jpeg 245w," sizes="100vw" width="1024" height="485"></p><h4><strong>The ruggedness you want, the repeatability you need</strong></h4><p>ACQUITY UPLC BEH 1.7 µm fully porous columns provide superior analyte peak shape, efficiency, and chemical stability to any separation. ACQUITY UPLC BEH Columns are available in both reversed-phase and HILIC separation modes, with chemistries that provide selectivities for a wide range of compounds. With the ruggedness to operate at extreme pH conditions, ACQUITY UPLC BEH Columns enable separation scientists to use a wide pH range to influence retention, selectivity, and sensitivity for ionizable compounds.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg" alt="Waters: ACQUITY UPLC BEH Columns can be used at the extremes of mobile phase pH (1-12) to enhance retention and specificity for complex samples that include mixtures of acidic, basic, and neutral analytes." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_UPLC_BEH_Columns_can_be_used_at_the_extremes_of_mobile_phase_p_H_1_12_to_enhance_retention_and_specificity_for_complex_samples_that_include_mixtures_of_acidic_basic_and_neutral_analytes_5104d9a155.jpeg 195w," sizes="100vw" width="1024" height="823"></p><h4><strong>Achieve flexibility in method development</strong></h4><p>Chromatographic laboratories need to quickly and easily develop robust methods that are compatible with all modern chromatographic detection modes and transferrable to laboratories and sites that operate different LC system platforms. With ACQUITY UPLC CSH and XSelect Columns, method development scientists in all application areas can achieve a wide range of selectivities without compromising performance across attributes, including superior peak shape for basic compounds, low column bleeds, excellent batch-to-batch reproducibility, and high efficiency.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg" alt="Waters: CSH Columns offer a wide range of selectivity differences (large S-values)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CSH_Columns_offer_a_wide_range_of_selectivity_differences_large_S_values_733305abf8.jpeg 136w," sizes="100vw" width="1024" height="1173"></p>

Waters CORTECS C8 HPLC Columns

Waters CORTECS C8 columns are used for general purpose method development under low pH test conditions.

<p><strong>CORTECS C8 c</strong>olumns are used for general purpose<strong> method development under low pH </strong>test conditions. The C8 ligand is preferred for some assays because it is less hydrophobic and therefore less retetntive compared to C18 phases.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> C8</li><li><strong>Separation Mode: </strong>Reversed Phase</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 2 pH</li><li><strong>pH Range Max:</strong> 8 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>Yes</li><li><strong>Silanol Activity: </strong>Low</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>90 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> Solid core</li><li><strong>USP Classification:</strong> L7</li><li><strong>Carbon Load: </strong>4.5 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CORTECS_C8_Column_68f0f00415.jpg" alt="Waters: CORTECS C8 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CORTECS_C8_Column_68f0f00415.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>CORTECS Columns</strong></h3><h4><strong>Solid-core columns that live up to their potential.</strong></h4><p>Your lab needs to develop methods for challenging separations even faster. Increase resolution for even your toughest samples with the enhanced column efficiency of <strong>CORTECS solid-core columns</strong>, which provide the flexibility and power you need to rapidly separate a wide array of compounds.</p><p><strong>CORTECS Columns</strong> are available in <strong>reversed-phase and HILIC options</strong> across <strong>seven column chemistries</strong> with <strong>different particle characteristics</strong> and innovative charged surface modifications for 20% faster separations and 25% more resolution at low operating back pressures.</p><h4><strong>Overview</strong></h4><ul><li>Maximize efficiency with <strong>high-performance columns</strong> created using state-of-the-art column packing techniques, bonding and end-capping processes.</li><li>Achieve <strong>greater throughput and speed</strong> than fully porous particle columns.</li><li>Get <strong>simple and seamless transfer</strong> with consistent results across different particle sizes and column configurations.</li><li><strong>Flexibly develop methods for challenging separations</strong> faster with reversed-phase and HILIC options across seven column chemistries.</li><li><strong>Prolong column lifetimes</strong> with optional VanGuard Cartridges and pre-columns specifically designed using CORTECS stationary phases.</li><li><strong>Recommended Use:</strong> To maximize resolution and speed for all LC separations.</li></ul><h4><strong>CORTECS Column Characteristics</strong></h4><h5><strong>CORTECS C18+ Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>A positively charged surface delivers excellent peak shape for basic compounds at low pH.</li></ul><h5><strong>CORTECS C18 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Balanced retention of acids, bases, and neutrals at low and mid-range pH.</li></ul><h5><strong>CORTECS C8 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Similar selectivity but shorter retentivity when compared to C18 columns.</li></ul><h5><strong>CORTECS T3 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Enables to use of 100% aqueous mobile phase and increased retention of polar compounds.</li></ul><h5><strong>CORTECS Phenyl Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for polyaromatic compounds.</li></ul><h5><strong>CORTECS Shield RP18 Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for phenolic compounds.</li></ul><h5><strong>CORTECS HILIC Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>HILIC Column</li><li>Offers orthogonal selectivity when compared to reversed-phase columns.</li></ul><h4><strong>Reliable columns. Consistent performance.</strong></h4><p>Get consistent batch-to-batch performance year after year with reliable CORTECS Columns.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg" alt="Waters: Consistent performance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg 227w," sizes="100vw" width="1024" height="704"></p><h4><strong>Method transfer just got easier.</strong></h4><p>Get the versatility you need for seamless method transfer, with consistent results and fully scalable particle sizes for HPLC, UHPLC, and UPLC platforms.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg" alt="Waters: Modernize and speed up your existing methods." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg 191w," sizes="100vw" width="1024" height="837"></p><h4><strong>Increased resolution and increased throughput.</strong></h4><p>Maximize column efficiency and throughput with increased resolution for the toughest samples on any LC system.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Maximize_Column_Efficiency_69800e15cb.jpg" alt="Waters: Maximize Column Efficiency" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Maximize_Column_Efficiency_69800e15cb.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Waters CORTECS Phenyl HPLC Columns

Waters CORTECS Phenyl provides you with ultra-low column MS bleed, long lifetimes and excellent peak shape.

<p><strong>CORTECS Phenyl columns</strong> provide <strong>complimentary selectivity to C18</strong> stationary phases. The particle morphology offers <strong>high efficnecy and lower backpressures</strong> when compared to fully porouse particles of similar particle size. CORTECS Phenyl provides you with <strong>ultra-low column MS bleed</strong>, <strong>long lifetimes</strong> and <strong>excellent peak shape</strong>.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> Phenyl</li><li><strong>Separation Mode: </strong>Reversed Phase</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 2 pH</li><li><strong>pH Range Max:</strong> 8 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>Yes</li><li><strong>Silanol Activity: </strong>Low</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>90 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> Solid core</li><li><strong>USP Classification:</strong> L11</li><li><strong>Carbon Load: </strong>5.9 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CORTECS_C8_Column_68f0f00415.jpg" alt="Waters: CORTECS Phenyl Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CORTECS_C8_Column_68f0f00415.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>CORTECS Columns</strong></h3><h4><strong>Solid-core columns that live up to their potential.</strong></h4><p>Your lab needs to develop methods for challenging separations even faster. Increase resolution for even your toughest samples with the enhanced column efficiency of <strong>CORTECS solid-core columns</strong>, which provide the flexibility and power you need to rapidly separate a wide array of compounds.</p><p><strong>CORTECS Columns</strong> are available in <strong>reversed-phase and HILIC options</strong> across <strong>seven column chemistries</strong> with <strong>different particle characteristics</strong> and innovative charged surface modifications for 20% faster separations and 25% more resolution at low operating back pressures.</p><h4><strong>Overview</strong></h4><ul><li>Maximize efficiency with <strong>high-performance columns</strong> created using state-of-the-art column packing techniques, bonding and end-capping processes.</li><li>Achieve <strong>greater throughput and speed</strong> than fully porous particle columns.</li><li>Get <strong>simple and seamless transfer</strong> with consistent results across different particle sizes and column configurations.</li><li><strong>Flexibly develop methods for challenging separations</strong> faster with reversed-phase and HILIC options across seven column chemistries.</li><li><strong>Prolong column lifetimes</strong> with optional VanGuard Cartridges and pre-columns specifically designed using CORTECS stationary phases.</li><li><strong>Recommended Use:</strong> To maximize resolution and speed for all LC separations.</li></ul><h4><strong>CORTECS Column Characteristics</strong></h4><h5><strong>CORTECS C18+ Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>A positively charged surface delivers excellent peak shape for basic compounds at low pH.</li></ul><h5><strong>CORTECS C18 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Balanced retention of acids, bases, and neutrals at low and mid-range pH.</li></ul><h5><strong>CORTECS C8 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Similar selectivity but shorter retentivity when compared to C18 columns.</li></ul><h5><strong>CORTECS T3 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Enables to use of 100% aqueous mobile phase and increased retention of polar compounds.</li></ul><h5><strong>CORTECS Phenyl Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for polyaromatic compounds.</li></ul><h5><strong>CORTECS Shield RP18 Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for phenolic compounds.</li></ul><h5><strong>CORTECS HILIC Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>HILIC Column</li><li>Offers orthogonal selectivity when compared to reversed-phase columns.</li></ul><h4><strong>Reliable columns. Consistent performance.</strong></h4><p>Get consistent batch-to-batch performance year after year with reliable CORTECS Columns.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg" alt="Waters: Consistent performance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg 227w," sizes="100vw" width="1024" height="704"></p><h4><strong>Method transfer just got easier.</strong></h4><p>Get the versatility you need for seamless method transfer, with consistent results and fully scalable particle sizes for HPLC, UHPLC, and UPLC platforms.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg" alt="Waters: Modernize and speed up your existing methods." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg 191w," sizes="100vw" width="1024" height="837"></p><h4><strong>Increased resolution and increased throughput.</strong></h4><p>Maximize column efficiency and throughput with increased resolution for the toughest samples on any LC system.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Maximize_Column_Efficiency_69800e15cb.jpg" alt="Waters: Maximize Column Efficiency" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Maximize_Column_Efficiency_69800e15cb.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Waters CORTECS HILIC HPLC Columns

Waters CORTECS HILIC Columns are high-effiency columns based on a solid-core particle that are designed to retain extremely polar analytes. 

<p><strong>CORTECS HILIC Columns </strong>are high-effiency columns based on a solid-core particle that are designed to <strong>retain extremely polar analytes</strong>. They offer <strong>orthogonal selectivity vs. C18</strong> columns.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> HILIC</li><li><strong>Separation Mode:</strong> Hydrophilic Interaction (HILIC)</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 1 pH</li><li><strong>pH Range Max:</strong> 5 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>No</li><li><strong>Silanol Activity: </strong>High</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>90 Å</li><li><strong>System: </strong>HPLC</li><li><strong>Particle Technology:</strong> Solid core</li><li><strong>USP Classification:</strong> L3</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CORTECS_C8_Column_68f0f00415.jpg" alt="Waters: CORTECS HILIC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CORTECS_C8_Column_68f0f00415.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>CORTECS Columns</strong></h3><h4><strong>Solid-core columns that live up to their potential.</strong></h4><p>Your lab needs to develop methods for challenging separations even faster. Increase resolution for even your toughest samples with the enhanced column efficiency of <strong>CORTECS solid-core columns</strong>, which provide the flexibility and power you need to rapidly separate a wide array of compounds.</p><p><strong>CORTECS Columns</strong> are available in <strong>reversed-phase and HILIC options</strong> across <strong>seven column chemistries</strong> with <strong>different particle characteristics</strong> and innovative charged surface modifications for 20% faster separations and 25% more resolution at low operating back pressures.</p><h4><strong>Overview</strong></h4><ul><li>Maximize efficiency with <strong>high-performance columns</strong> created using state-of-the-art column packing techniques, bonding and end-capping processes.</li><li>Achieve <strong>greater throughput and speed</strong> than fully porous particle columns.</li><li>Get <strong>simple and seamless transfer</strong> with consistent results across different particle sizes and column configurations.</li><li><strong>Flexibly develop methods for challenging separations</strong> faster with reversed-phase and HILIC options across seven column chemistries.</li><li><strong>Prolong column lifetimes</strong> with optional VanGuard Cartridges and pre-columns specifically designed using CORTECS stationary phases.</li><li><strong>Recommended Use:</strong> To maximize resolution and speed for all LC separations.</li></ul><h4><strong>CORTECS Column Characteristics</strong></h4><h5><strong>CORTECS C18+ Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>A positively charged surface delivers excellent peak shape for basic compounds at low pH.</li></ul><h5><strong>CORTECS C18 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Balanced retention of acids, bases, and neutrals at low and mid-range pH.</li></ul><h5><strong>CORTECS C8 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Similar selectivity but shorter retentivity when compared to C18 columns.</li></ul><h5><strong>CORTECS T3 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Enables to use of 100% aqueous mobile phase and increased retention of polar compounds.</li></ul><h5><strong>CORTECS Phenyl Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for polyaromatic compounds.</li></ul><h5><strong>CORTECS Shield RP18 Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for phenolic compounds.</li></ul><h5><strong>CORTECS HILIC Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>HILIC Column</li><li>Offers orthogonal selectivity when compared to reversed-phase columns.</li></ul><h4><strong>Reliable columns. Consistent performance.</strong></h4><p>Get consistent batch-to-batch performance year after year with reliable CORTECS Columns.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg" alt="Waters: Consistent performance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg 227w," sizes="100vw" width="1024" height="704"></p><h4><strong>Method transfer just got easier.</strong></h4><p>Get the versatility you need for seamless method transfer, with consistent results and fully scalable particle sizes for HPLC, UHPLC, and UPLC platforms.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg" alt="Waters: Modernize and speed up your existing methods." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg 191w," sizes="100vw" width="1024" height="837"></p><h4><strong>Increased resolution and increased throughput.</strong></h4><p>Maximize column efficiency and throughput with increased resolution for the toughest samples on any LC system.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Maximize_Column_Efficiency_69800e15cb.jpg" alt="Waters: Maximize Column Efficiency" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Maximize_Column_Efficiency_69800e15cb.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Waters CORTECS T3 HPLC Columns

Waters CORTECS T3 columns are compatible with 100% aqueous mobile phases, and provide excellent retention for polar and non-polar analytes.

<p><strong>CORTECS T3 columns </strong>are <strong>compatible with 100% aqueous mobile phases</strong>, and provide <strong>excellent retention for polar and non-polar analytes.</strong> The particle morphology offers high efficnecy and lower backpressure when compared to fully porouse particles of similar particle size. <strong>CORTECS T3</strong> provides you with <strong>ultra-low column MS bleed</strong>, <strong>long lifetime</strong>s and <strong>excellent peak shape</strong>.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> C18</li><li><strong>Separation Mode:</strong> Reversed phase</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 2 pH</li><li><strong>pH Range Max:</strong> 8 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>Yes</li><li><strong>Silanol Activity:</strong> Low</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>120 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> Solid core</li><li><strong>USP Classification:</strong> L1</li><li><strong>Carbon load:</strong> 4.7 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CORTECS_C8_Column_68f0f00415.jpg" alt="Waters: CORTECS T3 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CORTECS_C8_Column_68f0f00415.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>CORTECS Columns</strong></h3><h4><strong>Solid-core columns that live up to their potential.</strong></h4><p>Your lab needs to develop methods for challenging separations even faster. Increase resolution for even your toughest samples with the enhanced column efficiency of <strong>CORTECS solid-core columns</strong>, which provide the flexibility and power you need to rapidly separate a wide array of compounds.</p><p><strong>CORTECS Columns</strong> are available in <strong>reversed-phase and HILIC options</strong> across <strong>seven column chemistries</strong> with <strong>different particle characteristics</strong> and innovative charged surface modifications for 20% faster separations and 25% more resolution at low operating back pressures.</p><h4><strong>Overview</strong></h4><ul><li>Maximize efficiency with <strong>high-performance columns</strong> created using state-of-the-art column packing techniques, bonding and end-capping processes.</li><li>Achieve <strong>greater throughput and speed</strong> than fully porous particle columns.</li><li>Get <strong>simple and seamless transfer</strong> with consistent results across different particle sizes and column configurations.</li><li><strong>Flexibly develop methods for challenging separations</strong> faster with reversed-phase and HILIC options across seven column chemistries.</li><li><strong>Prolong column lifetimes</strong> with optional VanGuard Cartridges and pre-columns specifically designed using CORTECS stationary phases.</li><li><strong>Recommended Use:</strong> To maximize resolution and speed for all LC separations.</li></ul><h4><strong>CORTECS Column Characteristics</strong></h4><h5><strong>CORTECS C18+ Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>A positively charged surface delivers excellent peak shape for basic compounds at low pH.</li></ul><h5><strong>CORTECS C18 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Balanced retention of acids, bases, and neutrals at low and mid-range pH.</li></ul><h5><strong>CORTECS C8 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Similar selectivity but shorter retentivity when compared to C18 columns.</li></ul><h5><strong>CORTECS T3 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Enables to use of 100% aqueous mobile phase and increased retention of polar compounds.</li></ul><h5><strong>CORTECS Phenyl Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for polyaromatic compounds.</li></ul><h5><strong>CORTECS Shield RP18 Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for phenolic compounds.</li></ul><h5><strong>CORTECS HILIC Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>HILIC Column</li><li>Offers orthogonal selectivity when compared to reversed-phase columns.</li></ul><h4><strong>Reliable columns. Consistent performance.</strong></h4><p>Get consistent batch-to-batch performance year after year with reliable CORTECS Columns.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg" alt="Waters: Consistent performance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg 227w," sizes="100vw" width="1024" height="704"></p><h4><strong>Method transfer just got easier.</strong></h4><p>Get the versatility you need for seamless method transfer, with consistent results and fully scalable particle sizes for HPLC, UHPLC, and UPLC platforms.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg" alt="Waters: Modernize and speed up your existing methods." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg 191w," sizes="100vw" width="1024" height="837"></p><h4><strong>Increased resolution and increased throughput.</strong></h4><p>Maximize column efficiency and throughput with increased resolution for the toughest samples on any LC system.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Maximize_Column_Efficiency_69800e15cb.jpg" alt="Waters: Maximize Column Efficiency" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Maximize_Column_Efficiency_69800e15cb.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Waters CORTECS Shield RP18 HPLC Columns

Waters CORTECS Shield RP18 columns provides complimentary selectivity to C8 and C18 stationary phases. The embedded carbamate group in the bonded phase ligand provides alternate selectivity, especially for phenolic compounds.

<p><strong>CORTECS Shield RP18</strong> columns provides <strong>complimentary selectivity to C8 </strong>and <strong>C18</strong> stationary phases. The <strong>embedded carbamate group</strong> in the bonded phase ligand provides <strong>alternate selectivity, especially for phenolic compounds</strong> compared to straight chain alkyl columns. The solid core particle morphology offers high efficiency and lower backpressures when compared to fully porouse particles of similar particle size.</p><h5><strong>Specifications</strong></h5><ul><li><strong>Chemistry:</strong> C18</li><li><strong>Separation Mode:</strong> Reversed phase</li><li><strong>Particle Substrate:</strong> Silica</li><li><strong>pH Range Min</strong>: 2 pH</li><li><strong>pH Range Max:</strong> 8 pH</li><li><strong>Maximum Pressure:</strong> 18000 psi (1240 Bar)</li><li><strong>Endcapped: </strong>Yes</li><li><strong>Silanol Activity:</strong> Low</li><li><strong>Particle Shape:</strong> Spherical</li><li><strong>Pore Size: </strong>90 Å</li><li><strong>System: </strong>UHPLC, UPLC</li><li><strong>Particle Technology:</strong> Solid core</li><li><strong>USP Classification:</strong> L1</li><li><strong>Carbon load:</strong> 6.4 %</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_CORTECS_C8_Column_68f0f00415.jpg" alt="Waters: CORTECS Shield RP18 Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_CORTECS_C8_Column_68f0f00415.jpg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>CORTECS Columns</strong></h3><h4><strong>Solid-core columns that live up to their potential.</strong></h4><p>Your lab needs to develop methods for challenging separations even faster. Increase resolution for even your toughest samples with the enhanced column efficiency of <strong>CORTECS solid-core columns</strong>, which provide the flexibility and power you need to rapidly separate a wide array of compounds.</p><p><strong>CORTECS Columns</strong> are available in <strong>reversed-phase and HILIC options</strong> across <strong>seven column chemistries</strong> with <strong>different particle characteristics</strong> and innovative charged surface modifications for 20% faster separations and 25% more resolution at low operating back pressures.</p><h4><strong>Overview</strong></h4><ul><li>Maximize efficiency with <strong>high-performance columns</strong> created using state-of-the-art column packing techniques, bonding and end-capping processes.</li><li>Achieve <strong>greater throughput and speed</strong> than fully porous particle columns.</li><li>Get <strong>simple and seamless transfer</strong> with consistent results across different particle sizes and column configurations.</li><li><strong>Flexibly develop methods for challenging separations</strong> faster with reversed-phase and HILIC options across seven column chemistries.</li><li><strong>Prolong column lifetimes</strong> with optional VanGuard Cartridges and pre-columns specifically designed using CORTECS stationary phases.</li><li><strong>Recommended Use:</strong> To maximize resolution and speed for all LC separations.</li></ul><h4><strong>CORTECS Column Characteristics</strong></h4><h5><strong>CORTECS C18+ Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>A positively charged surface delivers excellent peak shape for basic compounds at low pH.</li></ul><h5><strong>CORTECS C18 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Balanced retention of acids, bases, and neutrals at low and mid-range pH.</li></ul><h5><strong>CORTECS C8 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Similar selectivity but shorter retentivity when compared to C18 columns.</li></ul><h5><strong>CORTECS T3 Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>Reversed-phase column</li><li>Enables to use of 100% aqueous mobile phase and increased retention of polar compounds.</li></ul><h5><strong>CORTECS Phenyl Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for polyaromatic compounds.</li></ul><h5><strong>CORTECS Shield RP18 Columns</strong></h5><ul><li>High efficiency</li><li>Method development column</li><li>Provides alternate selectivity, particularly for phenolic compounds.</li></ul><h5><strong>CORTECS HILIC Columns</strong></h5><ul><li>General purpose</li><li>High efficiency</li><li>HILIC Column</li><li>Offers orthogonal selectivity when compared to reversed-phase columns.</li></ul><h4><strong>Reliable columns. Consistent performance.</strong></h4><p>Get consistent batch-to-batch performance year after year with reliable CORTECS Columns.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg" alt="Waters: Consistent performance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Get_consistent_batch_to_batch_reproducibility_with_long_column_lifetimes_4600807215.jpg 227w," sizes="100vw" width="1024" height="704"></p><h4><strong>Method transfer just got easier.</strong></h4><p>Get the versatility you need for seamless method transfer, with consistent results and fully scalable particle sizes for HPLC, UHPLC, and UPLC platforms.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg" alt="Waters: Modernize and speed up your existing methods." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Modernize_and_speed_up_your_existing_methods_2dd7e61390.jpg 191w," sizes="100vw" width="1024" height="837"></p><h4><strong>Increased resolution and increased throughput.</strong></h4><p>Maximize column efficiency and throughput with increased resolution for the toughest samples on any LC system.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Maximize_Column_Efficiency_69800e15cb.jpg" alt="Waters: Maximize Column Efficiency" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Maximize_Column_Efficiency_69800e15cb.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Products distributed by Waters Corporation (Europe) - page 4

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