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

Thermo Scientific TSQ Quantis Plus Triple Quadrupole Mass Spectrometer

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<h3><strong>Advance quantitative workflows and increase productivity</strong></h3><p><strong>Address current and future challenges with Thermo Scientific TSQ Plus triple quadrupole mass spectrometers, which provide enhanced acquisition speed/sensitivity, proven robustness, and reliability. Instrument choices offer features for a range of applications, from everyday targeted quantitation to cutting-edge research.</strong></p><div colctrl-id="4-1"><div><div container-id="cq-colctrl-lt0" comp-id="B1"><div><h2><strong>TSQ Quantis Plus Triple Quadrupole Mass Spectrometer</strong></h2><h3 data-uw-rm-heading="level" role="heading" aria-level="2"><strong>Extended quantitative performance made accessible</strong></h3><p>Experience reliability and sensitivity, and report results with confidence. The <strong>Thermo Scientific TSQ Quantis Plus mass spectrometer </strong>provides effortless method set up with <strong>industry-leading multi-channel solutions</strong> and <strong>automated reporting</strong> that enable robust high-throughput quantitation.</p><figure class="image"><img style="aspect-ratio:650/650;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_1_0f234767cf/Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-1.jpg" alt="Thermo Scientific TSQ Quantis Plus Triple Quadrupole Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_1_0f234767cf/thumbnail_Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-1.jpg 156w," sizes="100vw" width="650" height="650"></figure><div><h2><strong>Highlights</strong></h2></div><div colctrl-id="2-1"><div><div container-id="cq-colctrl-lt1" comp-id="A1"><div><p><strong>Advanced instrument control software, compound database integration,</strong> and <strong>predefined method templates</strong> simplify operations, enabling LC-MS/MS users of all skill sets to obtain high-confidence data.</p><p>Achieve next-level productivity, versatility, and performance for method development and routine sample analysis. The Thermo Scientific TSQ Quantis Plus triple quadrupole mass spectrometer combines <strong>enhanced acquisition speed</strong> and <strong>sensitivity with proven robustness and reliability </strong>to deliver confident targeted screening and quantitation for high-throughput applications.</p><div colctrl-id="3-1"><div><div container-id="cq-colctrl-lt0" comp-id="A1"><div><h3><strong>Reducing the barrier to productivity: Operational simplicity</strong></h3><p>Targeted research and routine applications demand fast and responsive instrument control software, with intuitive operations. <strong>Predefined method templates</strong> with<strong> integration to databases</strong>, including the <strong>Thermo Scientific mzCloud database</strong>, enable targeted quantitation method creation based on empirical knowledge. Also, direct method transfer from previous Thermo Scientific TSQ Quantis mass spectrometers can be loaded and operated <strong>without optimization</strong>.</p><p>Experimental determination of dwell times assigned to transitions is automated based on user-defined chromatographic peak width, with the option of fixed cycle time or optimal number of data points per chromatographic peak.&nbsp;Prioritization settings allow further adjustments.</p><figure class="image"><img style="aspect-ratio:650/650;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_2_c265f9a0a3/Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-2.jpg" alt="Thermo Scientific TSQ Quantis Plus Triple Quadrupole Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_2_c265f9a0a3/thumbnail_Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-2.jpg 156w," sizes="100vw" width="650" height="650"></figure></div></div></div><div><div container-id="cq-colctrl-lt0" comp-id="B1"><div><h3><strong>Speed with selectivity and sensitivity</strong></h3><p>Achieve superior acquisition speeds on the TSQ Quantis Plus mass spectrometer, which can acquire <strong>600 SRMs/sec</strong> and when combined with a new power supply enables <strong>5 ms polarity switching</strong> and allows the required number of data points to be acquired for expanded number of target compounds, even with ultra-high performance liquid chromatography (UHPLC) separation.</p><p>The TSQ Quantis Plus mass spectrometer delivers excellent quantitative performance in both selected reaction monitoring (SRM) and high-resolution selected reaction monitoring (H-SRM) for fit-for-purpose selectivity. The enhanced active<strong> Q2 collision cell </strong>improves product ion transmission, especially for low-mass product ions, which can increase detection efficiency.</p></div></div></div></div><div colctrl-id="4-1"><div><div container-id="cq-colctrl-lt0" comp-id="A1"><div><h3><strong>Expanded experimental capabilities</strong></h3><p>Integrated workflow solutions centered on the TSQ Quantis Plus mass spectrometer address regulated requirements targeting a growing list of diverse compounds. New UHPLC and high performance ion chromotagraphy (HPIC) systems maximize sample delivery and separation capabilities, maintaining the sensitivity to meet minimum residue limits without costly sample preparation or derivatization steps. 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Thermo Scientific TSQ Fortis Plus Triple Quadrupole Mass Spectrometer

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<p class="cke-user_style-important"><strong>Advance quantitative workflows and increase productivity</strong></p><p><strong>Address current and future challenges with Thermo Scientific TSQ Plus triple quadrupole mass spectrometers, which provide enhanced acquisition speed/sensitivity, proven robustness, and reliability. Instrument choices offer features for a range of applications, from everyday targeted quantitation to cutting-edge research.</strong></p><h2><strong>TSQ Fortis Plus Triple Quadrupole Mass Spectrometer</strong></h2><h3 data-uw-rm-heading="level" role="heading" aria-level="2"><strong>Robust quantitative performance made simple</strong></h3><p>The <strong>TSQ Fortis Plus</strong> provides a seamless user experience for <strong>clinical research laboratories</strong> that focus on processing and analyzing a <strong>large number of samples</strong>. 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Also, <strong>direct method transfer from previous TSQ Fortis mass spectrometers </strong>can be loaded and operated without optimization.</p><p>Experimental determination of dwell times assigned to transitions is automated based on user-defined chromatographic peak width, with the option of fixed cycle time or optimal number of data points per chromatographic peak. 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Thermo Scientific ISQ™ EC/EM Single Quadrupole Mass Spectrometer

Enhance your IC or LC analysis with ISQ EC/EM mass spectrometers. Enjoy fast setup, high sensitivity, and reliable quantification—even in complex samples—with easy, seamless system integration.

<h4><strong>Thermo Scientific™ ISQ™ EC Single Quadrupole Mass Spectrometer</strong></h4><p><strong>Add mass spectrometry (MS) to your IC and LC analyses for access to the valuable data that only MS can provide. The new, easy-to-use Thermo Scientific™ ISQ™ EC Single Quadrupole Mass Spectrometer seamlessly integrates with ion chromatography (IC) and high performance liquid chromatography (HPLC) systems. Both novices and experts alike can quickly master MS to gain more insights from every sample.</strong></p><h5><strong>Gain more insights</strong></h5><ul><li>Higher sensitivity and more accurate quantitation</li><li>Chromatographic peak mass confirmation, eliminating false negatives and false positives</li></ul><h5><strong>Resolve complexity</strong></h5><ul><li>Improved resolution of analytes in complex matrices</li><li>Better selectivity</li><li>Resolve co-eluting peaks using their mass-to-charge ratio</li></ul><h5><strong>Easily mastered</strong></h5><ul><li>Save time spent on user training with integrated tools to help master MS</li><li>Experience hassle-free, seamless integration with your IC or LC system</li><li>Save time using the Thermo Scientific™ <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Chromeleon™ Chromatography Data System (CDS) software</strong></a> for data analysis, which also has embedded control of the ISQ EC mass spectrometer</li></ul><h4><strong>Thermo Scientific™ ISQ™ EM Single Quadrupole Mass Spectrometer</strong></h4><p>Adding mass spectrometry (MS) to your liquid chromatography (LC) analyses gives you access to the valuable data that only MS can provide. The new, easy-to-use ISQ™ EM Single Quadrupole Mass Spectrometer seamlessly integrates with LC systems for reliable, robust, and easy LC-MS routine analysis with an extended mass range for more flexibility. Detect and quantify a variety of analytes by choosing to use either heated electrospray ionization (HESI) or atmospheric pressure chemical ionization (APCI). Integrated software allows both novices and experts to quickly master MS to gain more insights from every sample.</p><h5><strong>Gain more insights</strong></h5><ul><li>Extended mass range enables you to detect and quantify small and large molecules</li><li>Durable atmospheric pressure ionization (API) source with two interchangeable probes included, enabling HESI or dual HESI/APCI</li><li>Sensitive and accurate quantitation of more samples</li><li>Chromatographic peak mass confirmation to eliminate false negatives and false positives</li></ul><h5><strong>Resolve complexity</strong></h5><ul><li>Consistent response even with complex matrices</li><li>Better selectivity and sensitivity with chromatographic peak mass confirmation</li><li>Resolution of co-eluting peaks via mass-to-charge ratio</li></ul><h5><strong>Easy mastery</strong></h5><ul><li>Reduce time spent on user training with integrated tools to help master MS</li><li>Unique software translates analyte physical properties into optimal method parameters, helping novice and experts develop methods and improve productivity</li><li>Hassle-free, seamless integration with existing LC systems</li><li>Facilitate data analysis with Thermo Scientific™ <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Chromeleon™ Chromatography Data System (CDS) software</strong></a>, which features embedded control of the ISQ EM mass spectrometer</li></ul><h4><strong>Key Features ISQ™ EC/EM Single Quadrupole Mass Spectrometers:</strong></h4><ul><li><strong>Mass Range:</strong>&nbsp;<ul><li><strong>EC:</strong> 10–1250 m/z with unit mass resolution</li><li><strong>EM:</strong> 10–2000 m/z with unit mass resolution</li></ul></li><li><strong>Polarity Switching:</strong> 25 ms (in HESI mode)</li><li><strong>Scan Rate:</strong> Up to 20,000 Da/sec</li><li><strong>Sensitivity:</strong><ul><li><i>HESI Positive:</i> 10 pg Reserpine, 400:1 RMS at 400 μL/min</li><li><i>HESI Negative:</i> 20 pg p-Nitrophenol, 500:1 RMS at 400 μL/min</li></ul></li><li><strong>Gas Requirements:</strong> Nitrogen (≥ 99% purity), 30 L/min @ 90–110 psig</li><li><strong>Power Supply:</strong> 100–240 V, 50/60 Hz</li><li><strong>Dimensions:</strong> 52 (H) × 42 (W) × 91 (D) cm</li><li><strong>Weight:</strong> Approx. 71 kg (157 lb)</li><li><strong>Unit Size:</strong> Each</li></ul>

Thermo Scientific™ TSQ Quantis™ Triple Quadrupole Mass Spectrometer

The Thermo Scientific™ TSQ Quantis™ Triple Quadrupole MS offers best-in-class sensitivity, robustness, and seamless integration for efficient targeted quantitation across diverse molecular species.

<p><strong>Easily answer critical analytical challenges during targeted quantitation workflows in your laboratory. With its segmented quadrupoles, faster rod drivers, and improved electron multipliers, the Thermo Scientific™ TSQ Quantis™ Triple Quadrupole Mass Spectrometer delivers unprecedented robustness with best-in-class sensitivity for everyday use and for every user.</strong></p><p>The <strong>TSQ Quantis MS</strong> seamlessly integrates with <strong>industry-leading quantitation software</strong>, <strong>HPLCs and UHPLCs</strong>, and <strong>sample preparation solutions</strong>; it also offers <strong>enhanced efficiency</strong> during targeted quantitation workflows for a <strong>wide array of molecular species</strong>. Other benefits include:</p><ul><li><strong>Superb sensitivity</strong> that generates data for all molecular species, even in <strong>complex matrices</strong>.</li><li><strong>Outstanding robustness</strong> that enables <strong>increased confidence in data</strong> while <strong>prolonging instrument uptime</strong>.</li><li><strong>Reliability and reproducibility</strong> improve <strong>data quality</strong> for <strong>every run and every sample</strong>.</li><li><strong>Close integration with application-specific software</strong> ensures <strong>increased productivity</strong> across all application markets.</li><li><strong>Simplicity and ease-of-use</strong> allow users of all expertise levels to acquire <strong>high quality data</strong> with <strong>improved confidence in results</strong>.</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_1_0f234767cf/Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-1.jpg" alt="Thermo Scientific™ TSQ Quantis™ Triple Quadrupole Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_1_0f234767cf/thumbnail_Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-1.jpg 156w," sizes="100vw" width="650" height="650"></p><h3><strong>Thermo Scientific™ TSQ Quantis™ Triple Quadrupole Mass Spectrometer Specifications</strong></h3><ul><li><strong>For Use With (Application):</strong> Pharmaceutical, Environmental, Food Safety, Clinical Research, and Forensic Toxicology</li><li><strong>Mass Range:</strong> 5 to 3000 m/z</li><li><strong>Type:</strong> Triple Quadrupole LC-MS</li><li><strong>Unit Size:</strong> Each</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_2_c265f9a0a3/Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-2.jpg" alt="Thermo Scientific™ TSQ Quantis™ Triple Quadrupole Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_TSQ_Quantis_Triple_Quadrupole_Mass_Spectrometer_2_c265f9a0a3/thumbnail_Thermo-TSQ-Quantis-Triple-Quadrupole-Mass-Spectrometer-2.jpg 156w," sizes="100vw" width="650" height="650"></p>

Thermo Scientific QuEChERS Sample Preparation Kits

QuEChERS is a versatile sample preparation method for analyzing pesticides, veterinary drugs, and other residues in various sample types before GC-MS or LC-MS analysis.

<div><div><div><h3><strong>QuEChERS sample preparation—now easier, more convenient, and affordable</strong></h3><p><strong>QuEChERS</strong> (<strong><u>Q</u></strong><u>u</u>ick, <strong><u>E</u></strong>asy, <strong><u>C</u></strong>heap, <strong><u>E</u></strong>ffective, <strong><u>R</u></strong>ugged, and <strong><u>S</u></strong>afe)is a <strong>sample preparation method</strong> that was initially developed in 2003 for <strong>analyzing veterinary drugs in food</strong>. The method was also tested for <strong>pesticide residue analysis in plant material</strong> with great success. In 2003, the <strong>detailed method was published</strong> in the journal AOAC International. Since then, the QuEChERS method has evolved into a <strong>sample preparation technique used on a variety of analytes</strong> in an <strong>expanding number of sample types</strong> before analysis by <a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/mass-spectrometry/gas-chromatography-mass-spectrometry-gc-ms.html"><strong>GC-MS</strong></a><strong> or </strong><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/mass-spectrometry/liquid-chromatography-mass-spectrometry-lc-ms.html"><strong>LC-MS</strong></a>.</p><p><strong>Thermo Scientific QuEChERS kits</strong> contain <strong>pre-packaged, ready-weighed salts, sorbents, and buffers</strong> to <strong>streamline your workflow</strong> and <strong>minimize the potential for error</strong>. The kits are grouped according to your <strong>analytes of interest</strong>, <strong>sample matrix</strong>, and <strong>preferred QuEChERS method</strong>:</p><ul><li><strong>Original 2003 Method</strong></li><li><strong>AOAC 2007.01 Method</strong></li><li><strong>EN 15662 Method</strong></li><li><strong>NY/T 1380-2007 Method</strong></li></ul><p><strong>Complete packages</strong>—including both <strong>extraction and clean-up kits</strong>—are available. <strong>Extraction-only and cleanup-only kits</strong> are also offered to suit your laboratory’s sample preparation needs. These <strong>pre-packaged kits save time and money</strong>, make QuEChERS procedures <strong>easier and more convenient</strong>, and ensure <strong>quality to yield reproducible results</strong> and <strong>excellent recoveries</strong> for a wide variety of analytes.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_2_1e99f0c81b.jpg" alt="Thermo Scientific QuEChERS Sample Preparation Kits" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_2_1e99f0c81b.jpg 217w," sizes="100vw" width="891" height="640"></p><h3><strong>Typical QuEChERS workflow</strong></h3><div><div><div><div><div><p>As shown in the workflow diagram below, the <strong>QuEChERS method has four basic steps</strong>:</p><ol><li><strong>Homogenize sample</strong> (fruit or vegetable)</li><li><strong>Extract analytes of interest</strong> from a sample using <strong>extraction salts</strong> (pesticide residues, veterinary drugs, and/or mycotoxins)</li><li><strong>Clean-up the resulting supernatant</strong> using <strong>dispersive solid phase extraction (dSPE)</strong></li><li><strong>Analyze by GC-MS or LC-MS</strong></li></ol><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_496491ceff.jpeg" alt="Thermo Scientific QuEChERS Sample Preparation Kits" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_496491ceff.jpeg 245w," sizes="100vw" width="1170" height="706"></p><div><h3><strong>QuEChERS products</strong></h3></div><div><h4><strong>QuEChERS extraction kits for original 2003 method</strong></h4></div><div><p>The <strong>original QuEChERS method</strong> (Anastassiades et al, 2003) was developed by <strong>Steven J. Lehotay and Michelangelo Anastassiades</strong> in 2003 for the <strong>determination of pesticide residues in fruits and vegetables</strong>. The original method was created to <strong>analyze non-base-sensitive compounds</strong> and uses a <strong>sodium chloride buffer</strong> to <strong>reduce polar interferences</strong> and <strong>enhance extraction</strong>. <strong>Buffering</strong> is an important part of the QuEChERS procedure because it <strong>allows for analysis of pesticides and other residues</strong> that display <strong>pH dependence in their recoveries</strong>, depending on the <strong>sample matrix</strong>. <strong>Three different extraction kits</strong> are available to support the <strong>original 2003 QuEChERS method</strong>.</p><h5><strong>Chemicals used in the original 2003 method</strong></h5></div><ul><li><strong>Acetonitrile:</strong> Used to perform single-phase extraction (SPE) on a sample</li><li><strong>Anhydrous MgSO₄:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes remaining water from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>NaCl:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes residual water from sample; reduces polar interference and enhances extraction</li><li><strong>PSA:</strong> Primary secondary amine, used to remove polar matrix components, citric co-extractives, and free fatty acids, from sample during dispersive solid phase extraction (dSPE) step</li></ul><div><h4><strong>QuEChERS extraction and clean-up kits for AOAC 2007.01 method</strong></h4><p>The <strong>AOAC 2007.01 QuEChERS Method</strong> was developed by <strong>Steven J. Lehotay and his co-workers</strong>, who <strong>modified the original 2003 method</strong> to accommodate the use of <strong>acetate buffering at higher concentration</strong> for <strong>greater buffering strength</strong>. <strong>Buffering</strong> is an important part of the QuEChERS procedure because it <strong>allows for analysis of pesticides and other residues</strong> that display <strong>pH dependence in their recoveries</strong>, depending on the <strong>sample matrix</strong>. These <strong>extraction and clean-up products</strong> here support the <strong>AOAC 2007.01 method</strong>.</p><div><h5><strong>Chemicals used in the AOAC 2007.01 method</strong></h5><ul><li><strong>Acetonitrile:</strong> Used to perform single-phase extraction on a sample</li><li><strong>Anhydrous MgSO₄:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes remaining water from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>NaOAc:</strong> Buffers the sample to stabilize pH</li><li><strong>PSA:</strong> Primary secondary amine, used to remove polar matrix components, citric co-extractives, and free fatty acids, from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>C18:</strong> Removes fats, sterols, and other non-polar interferences from sample</li><li><strong>GCB:</strong> Graphitized carbon black, removes pigment (<i>not recommended for use with planar pesticides</i>)</li></ul><div><h4><strong>QuEChERS extraction and clean-up kits for EN 15662 method</strong></h4><p>The <strong>extraction and clean-up products</strong> here support the <strong>EN 15662 method</strong>. <strong>Widely used in Europe</strong>, the EN 15662 method was developed by <strong>Michelangelo Anastassiades and co-workers</strong>, who <strong>modified the original 2003 method</strong> to accommodate the use of <strong>citrate buffering at a relatively low buffering capacity</strong>. This variation uses a <strong>sodium chloride buffer</strong> to <strong>minimize polar interferences</strong> in addition to <strong>sodium citrate dihydrate</strong> and <strong>disodium citrate sesquihydrate buffers</strong>. <strong>Buffering</strong> is an important part of the QuEChERS procedure because it <strong>allows for analysis of pesticides and other residues</strong> that display <strong>pH dependence in their recoveries</strong>, depending on the <strong>sample matrix</strong>.</p><h5><strong>Chemicals used in the EN 15662 method</strong></h5><ul><li><strong>Acetonitrile:</strong> Used to perform single-phase extraction on a sample</li><li><strong>Anhydrous MgSO₄:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes remaining water from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>NaCl:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes residual water from sample</li><li><strong>Trisodium Citrate:</strong> Buffers the sample to stabilize pH</li><li><strong>Disodium Citrate Sesquihydrate:</strong> Buffers the sample to stabilize pH</li><li><strong>PSA:</strong> Primary secondary amine, used to remove polar matrix components, citric co-extractives, and free fatty acids, from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>C18:</strong> Removes fats, sterols, and other non-polar interferences from sample</li><li><strong>GCB:</strong> Graphitized carbon black, removes pigment (<i>not recommended for use with planar pesticides</i>)</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_3_721562526f.jpg" alt="Thermo Scientific QuEChERS Sample Preparation Kits" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Qu_E_Ch_ERS_Sample_Preparation_Kits_3_721562526f.jpg 245w," sizes="100vw" width="1471" height="488"></p><div><h4><strong>QuEChERS clean-up kit for NY/T 1380-2007 method</strong></h4></div><div><p>The <strong>NY/T 1380-2007 method</strong> is <strong>recommended by China Ministry of Agriculture</strong> for the <strong>QuEChERS Method sample preparation</strong> of <strong>51 specific pesticide residues</strong> in <strong>fruits and vegetables</strong> with <strong>analysis by GC-MS</strong>.</p><h5><strong>Chemicals used in the NY/T 1380-2007 method</strong></h5><ul><li><strong>Anhydrous MgSO₄:</strong> Induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes remaining water from sample during dispersive solid phase extraction (dSPE) step</li><li><strong>PSA:</strong> Primary secondary amine, used to remove polar matrix components, citric co-extractives, and free fatty acids, from sample during dSPE step</li><li><strong>C18:</strong> Removes fats, sterols, and other non-polar interferences from sample</li></ul></div></div></div></div></div></div></div></div></div></div></div></div>

Thermo Scientific Hypersil GOLD C18 Selectivity HPLC Columns

Achieve exceptional peak shape and resolution for your HPLC and LC/MS applications with Thermo Scientific™ Hypersil GOLD™ HPLC columns. 

<p><strong>Achieve exceptional peak shape and resolution for your HPLC and LC/MS applications with Thermo Scientific™ Hypersil GOLD™ HPLC columns.</strong> These endcapped, ultrapure, silica-based columns deliver significant reduction in peak tailing using generic gradients with C18 selectivity. With their excellent resolution, efficiency, and sensitivity, Hypersil GOLD columns give you confidence in the accuracy and quality of your analytical data.</p><h5><strong>Novel Bonding</strong></h5><ul><li>Proprietary derivatization and endcapping</li><li>C18 (USP L1) selectivity</li></ul><h5><strong>pH Stability</strong></h5><ul><li>Robust performance at high pH</li><li>Excellent column stability at low pH</li></ul><h5><strong>Flexible Formats</strong></h5><ul><li>Javelin HTS columns for high-throughput screening</li><li>Semi-preparative columns with 12 μm particles available</li></ul><h4><strong>About the Hypersil GOLD Family of HPLC Columns</strong></h4><p>Meet the challenges of modern chromatography with state-of-the-art columns that provide outstanding performance and consistent separations. Twelve different column chemistries are available so you can optimize separations and maximize productivity. Get outstanding peak shapes in reversed phase, ion exchange, HILIC, or normal phase chromatography.</p><ul><li>Excellent peak symmetry</li><li>Narrow peaks for outstanding efficiency</li><li>Enhanced sensitivity and improved resolution</li><li>Exceptional reproducibility for reliable chromatography, column after column</li><li>Solutions for high-throughput screening</li><li>1.9, 3, and 5 μm particle sizes for all your separation needs</li></ul><h4><strong>Specifications</strong></h4><ul><li><strong>Endcapped:</strong> Yes</li><li><strong>For Use With:</strong> LC/MS</li><li><strong>Max. Pressure: </strong>5800 psi (400 bar)</li><li><strong>Packing Material:</strong> Spherical, Fully Porous, Ultrapure Silica</li><li><strong>Stationary Phase:</strong> C18 Selectivity</li><li><strong>Surface Area:</strong> 220 m²/g</li><li><strong>Temperature:</strong> 60°C</li><li><strong>USP Type: </strong>L1</li><li><strong>Carbon Load</strong>: 11%</li><li><strong>Phase:</strong> Reversed Phase</li><li><strong>Pore Size: </strong>175 Å</li><li><strong>pH: </strong>1 to 11</li></ul>

Thermo Scientific Accucore Biphenyl Reversed Phase HPLC Columns

Choose Thermo Scientific™ Accucore™ Biphenyl LC Columns for fast and reliable separation of critical pairs and isomers.

<p><strong>Choose Thermo Scientific™ Accucore™ Biphenyl LC Columns for fast and reliable separation of critical pairs and isomers. These columns provide unique selectivity for aromatic and moderately polar analytes. Their optimized packing offers a rugged platform for a variety of matrices. Based on Core Enhanced Technology, Accucore liquid chromatography reversed phase columns provide fast, high-resolution separations without the elevated backpressures seen using sub-2μm particles.</strong></p><ul><li>Fast separations with excellent resolution and sensitivity</li><li>Lower backpressures so that UHPLC is not required</li><li>Mixed-mode selectivity for aromatic and moderately polar analytes</li><li>Enhanced Pi-pi interactions with aromatics</li><li>Excellent lot-to-lot reproducibility</li></ul><p>Trust your separation of critical pairs and isomers to Accucore Biphenyl LC Columns. These columns offer fast run times, excellent robustness, and consistent reproducibility, and provide the perfect balance of polar analyte retention and hydrophobic analyte elution.</p><h4><strong>Specifications</strong></h4><ul><li><strong>Endcapped:</strong> Yes</li><li><strong>For Use With:</strong> HPLC/UHPLC</li><li><strong>Max. Pressure: </strong>8700 psi (600 bar)</li><li><strong>Packing Material:</strong> Spherical, Solid Core, Ultrapure Silica</li><li><strong>Particle Shape:</strong> Spherical Solid Core</li><li><strong>Stationary Phase:</strong> Biphenyl</li><li><strong>Surface Area:</strong> 130 m²/g</li><li><strong>Temperature:</strong> 70°C</li><li><strong>USP Type: </strong>L11</li><li><strong>Carbon Load</strong>: 6%</li><li><strong>Phase:</strong> Reversed Phase</li><li><strong>Pore Size: </strong>80 Å</li><li><strong>pH: </strong>2 to 8</li></ul>

Thermo Scientific Accucore Vanquish C18+ UHPLC Columns

Choose Thermo Scientific™ Accucore™ Vanquish™ C18+ UHPLC columns, containing uniquely efficient 1.5 μm solid core particles for use with the Thermo Scientific™ Vanquish™ UHPLC system

<p><strong>Choose Thermo Scientific™ Accucore™ Vanquish™ C18+ UHPLC columns, containing uniquely efficient 1.5 μm solid core particles for use with the </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?category=40&amp;manufacturerItems=3"><strong>Thermo Scientific™ Vanquish™ UHPLC system</strong></a>. Founded on state-of-the-art Core Enhanced Technology™, this sub-2 μm particle next-generation column has ultra-short diffusion paths that result in extremely efficient separations. This high efficiency enables fast separation and the resolution of complex mixtures. In concert with Vanquish systems, these columns deliver more results with better separations, thereby enhancing workflows and productivity.</p><h4><strong>Specifications</strong></h4><ul><li><strong>Endcapped:</strong> Yes</li><li><strong>For Use With:</strong> UHPLC</li><li><strong>Max. Pressure: </strong>21756 psi (1500 bar)</li><li><strong>Packing Material:</strong> Spherical, Solid Core, Ultrapure Silica</li><li><strong>Particle Shape:</strong> Spherical Solid Core</li><li><strong>Stationary Phase:</strong> C18</li><li><strong>Surface Area:</strong> 110 m²/g</li><li><strong>Temperature:</strong> 70°C</li><li><strong>USP Type: </strong>L1</li><li><strong>Carbon Load</strong>: 6.5%</li><li><strong>Phase:</strong> Reversed Phase</li><li><strong>Pore Size: </strong>80 Å</li><li><strong>pH: </strong>2 to 9</li></ul>

Thermo Scientific Accucore RP-MS HPLC Columns

Optimized for MS detection, Thermo Scientific™ Accucore™ RP-MS LC Columns are an excellent combination of speed and quality of separation.

<p><strong>Optimized for MS detection, Thermo Scientific™ Accucore™ RP-MS LC Columns are an excellent combination of speed and quality of separation.</strong></p><p>Based on Core Enhanced Technology, Accucore columns provide fast, high-resolution separations—without the elevated backpressures required by sub-2μm particles.</p><ul><li>Fast separations with excellent resolution and sensitivity</li><li>Lower backpressures so that UHPLC is not required</li><li>Optimized for MS detection</li><li>Excellent peak shapes</li><li>Excellent combination of speed and efficiency</li></ul><h4><strong>Specifications</strong></h4><ul><li><strong>Endcapped:</strong> Yes</li><li><strong>For Use With:</strong> HPLC</li><li><strong>Max. Pressure: </strong>14500 psi (1000 bar)</li><li><strong>Packing Material:</strong> Spherical, Solid Core, Ultrapure Silica</li><li><strong>Particle Shape:</strong> Spherical Solid Core</li><li><strong>Stationary Phase:</strong> Proprietary</li><li><strong>Surface Area:</strong> 130 m²/g</li><li><strong>Temperature:</strong> 60°C</li><li><strong>USP Type: </strong>N/A</li><li><strong>Carbon Load</strong>: 7%</li><li><strong>Phase:</strong> Reversed Phase</li><li><strong>Pore Size: </strong>80 Å</li><li><strong>pH: </strong>2 to 9</li></ul>

Thermo Scientific Accucore C18 HPLC Columns

Use this column, with its specially designed solid core, for a broad range of nonpolar analytes across multiple applications.

<p><strong>Achieve fast, high-resolution separations at low backpressures using Thermo Scientific™ Accucore™ C18 LC columns. Rugged 2.6μm solid-core particles ensure high efficiencies and enable compatibility with both HPLC and UHPLC platforms.&nbsp;</strong></p><p>The high bonded phase coverage provides optimal retention of a broad range of nonpolar analytes across multiple applications. Robust bonding technology and automated packing procedures ensure excellent reproducibility and long column lifetimes.</p><h5><strong>Optimal Selectivity for Nonpolar Compounds</strong></h5><ul><li>Hydrophobic interaction mechanism</li></ul><h5><strong>Fast Separations</strong></h5><ul><li>2.6μm core-enhanced technology particles enable operation at high flow rates without generating excessive backpressures.</li></ul><h5><strong>Excellent Peak Shapes for Enhanced Resolution and Sensitivity</strong></h5><ul><li>Solid core 2.6μm particles and narrow particle size distribution reduce band broadening and improve separation efficiencies.</li><li>High surface coverage of silica minimizes secondary interactions and peak tailing.</li></ul><h5><strong>Low Backpressures</strong></h5><ul><li>Solid core 2.6μm particles for less backpressure compared to UHPLC sub-2μm particles</li><li>Compatible with conventional HPLC instrumentation and UHPLC platforms</li></ul><h5><strong>Excellent Reproducibility and Robustness</strong></h5><ul><li>Advanced bonding technology</li><li>Automated packing process</li></ul><h4><strong>Specifications</strong></h4><ul><li><strong>Endcapped:</strong> Yes</li><li><strong>For Use With:</strong> HPLC</li><li><strong>Max. Pressure: </strong>14500 psi (1000 bar)</li><li><strong>Packing Material:</strong> Spherical, Solid Core, Ultrapure Silica</li><li><strong>Particle Shape:</strong> Spherical Solid Core</li><li><strong>Stationary Phase:</strong> C18</li><li><strong>Surface Area:</strong> 130 m²/g</li><li><strong>Temperature:</strong> 70°C</li><li><strong>USP Type: </strong>L1</li><li><strong>Carbon Load</strong>: 9%</li><li><strong>Phase:</strong> Reversed Phase</li><li><strong>Pore Size: </strong>80 Å</li><li><strong>pH: </strong>1 to 11</li></ul>

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