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

Watrex SCS 205 GPC Sample cleanup system

The Watrex Streamline SCS 205 Sample Clean-up System is designed for GPC sample pretreatment.

<p>Sample clean-up is an <strong>essential method</strong> for many routine chromatography applications. One of the most common cases is analysis of <strong>polyaromatic hydrocarbons</strong> (PAHs), <strong>polychlorinated biphenyls</strong> (PCBs) and <strong>pesticides</strong> in complex mixtures.</p><p>The initial step is an isolation of hydrophobic (lipophilic) components from the rest of the sample mixture by <strong>gel-permeation</strong><br><strong>chromatography</strong> (GPC).</p><p>In such configuration, triglycerides (700-900Da) can be isolated from low molecular (200-300Da) PAHs, PCBs or pesticides using<br>GPC steric exclusion. SCS 205 is a dedicated system for GPC sample pretreatment. SCS 205 includes an isocratic pump double piston pump, manual injector with preparative sample loop, PAH/PCB preparative column (200mg sample loading capacity), fraction collector and start-up kit. .The entire system is controlled from a TFT touch display through intuitive screens.</p><p>After injection and GPC separation, the purified sample (PAHs, PCBs etc.) is captured by an automated fraction collection usinga3-way motorized switching valve. The timing of the collection is predetermined from the elution profile of the pollutants.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_SCS_205_Sample_cleanup_system_column_7dce4f25e0.jpg" alt="Watrex: Watrex SCS 205 Sample cleanup system - column"></p><h3><strong>FEATURES</strong></h3><ul><li>High performance pollutant izolation from complex matrices</li><li>Eluent flexibility</li><li>Easy programmable</li><li>Easy installation &amp; Simple operation</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_SCS_205_Sample_cleanup_system_schema_ad45276ad0.jpg" alt="Watrex: Watrex SCS 205 Sample cleanup system - schema"></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_SCS_205_Sample_cleanup_system_graph_10ce455cc3.jpg" alt="Watrex: Watrex SCS 205 Sample cleanup system - graph"></p><h3><strong>TECHNICAL SPECIFICATION</strong></h3><ul><li><strong>Sampling System:</strong> manual valve</li><li><strong>Sample volume:</strong> 2 mL loop</li><li><strong>Fraction collection:</strong> 50mL flask</li><li><strong>Collection time programming:</strong> alternating valve switching to waste/collect/waste</li><li><strong>Display:</strong> 4-character</li></ul><h3><strong>Ordering information:</strong></h3><h5><strong>PN/Component:</strong></h5><ul><li><strong>SCS205-001</strong> SCS 205 Sample Clean-up System (<strong>Price 8 627 € ex VAT</strong>)</li><li><strong>WI02077</strong> WATREX 250x16 mm PAH Prep column, 10 um</li><li><strong>DGD.3008</strong> WATREX 300x8 mm DeltaGel Mixed-D column, 5 um</li><li><strong>DGB.25020</strong> WATREX 250x20 mm DeltaGel Mixed-B column, 5 um</li></ul><p><strong>You can also visit this product on the </strong><a target="_blank" rel="noopener noreferrer" href="https://watrex.com/obchod/chromatography/dedicated-instruments/scs-205-sample-clean-up-system/?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_produkty"><strong>Watrex website</strong></a><strong>.</strong></p>

Watrex xTrovert XT Automatic DNA/RNA extractor

Watrex xTrovert XT is an automatic DNA/RNA extractor. It streamlines the extraction process, making it more efficient and reproducible.

<p><strong>Automatic extractor utilises a simple principle of two pipetting heads serving a 96-well plate.</strong></p><p>Thanks to easy replacement head options of pipetting with <strong>300 μl tips</strong> or <strong>1000 μl</strong> tips are available. <strong>Automatic optical sensor calibration</strong> enables the use of pipetting tips and <strong>96-well plates</strong> from virtually any supplier. The device is equipped with two magnetic arms for protocols including paramagnetic SPR beads. It also allows for thermal incubation in the range of <strong>25 to 85 °C</strong>. In addition to internal <strong>LED lighting</strong>, the station is equipped with an integrated <strong>UV-C sterilisation unit</strong>. Intuitive control from <strong>TFT touch panel</strong> user interface facilitates easy set-up. xTrovert™ XT is a <strong>fully programmable open system</strong> where user can create their own workflow scripts downloadable as text files from USB flas disk.</p><h3><strong>APPLICATIONS</strong></h3><ul><li><strong>Sample prep for PCR testing</strong></li><li><strong>NGS library prep</strong></li><li><strong>Sanger DNA sequencing</strong></li></ul><h3><strong>CURRENT PROTOCOLS</strong></h3><ul><li><strong>DNA/RNA extraction</strong></li><li><strong>DNA purification</strong></li><li><strong>PCR clean-up/desalting</strong></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_x_Trovert_XT_Automatic_DNA_RNA_extractor_Compatible_with_any_magnetic_bead_based_kit_23886eea52.jpg" alt="Watrex: Watrex xTrovert XT Automatic DNA/RNA extractor - Compatible with any magnetic bead based kit"></p><h3><strong>TECHNICAL SPECIFICATION</strong></h3><ul><li><strong>Capacity:</strong> 16 or 32 samples/run</li><li><strong>Volume range:</strong> 10 – 600 μl</li><li><strong>Temperature:</strong> 25 – 85 °C</li><li><strong>Sterilization:</strong> UV-C</li><li><strong>Display:</strong> 3,5“ TFT touch display</li><li><strong>Connectivity:</strong> USB 1.0/2.0</li><li><strong>Power source:</strong> 24 V adaptor</li><li><strong>Dimensions in cm:</strong> 65(w) x 65(h) x 34(d)</li><li><strong>Weight:</strong> 25 kg</li></ul><h3><strong>Ordering information:</strong></h3><h5><strong>PN/Component:</strong></h5><ul><li><strong>XTR000-001</strong> xTrovert™ XT Universal robotic pipettor for DNA/RNA extraction &amp; handling</li><li><strong>XTR000-003</strong> Replaceable 8-channel 1000uL pipetting head for xTrovert™ XT</li><li><strong>XTR000-004</strong> Replaceable 8-channel 300uL pipetting head for xTrovert™ XT</li><li><strong>XTR000-100</strong> Deepwell plates (empty) for xTrovert™ XT</li><li><strong>XTR000-220</strong> DNA/RNA extraction kit, mgn. beads, 16-rxns per plate</li></ul><p>The entire system was designed and developed by Watrex Praha and is <strong>manufactured in the Czech Republic</strong> and promises a shift in the performance and efficiency of laboratory processes worldwide!</p><p><strong>You can also visit this product on the </strong><a target="_blank" rel="noopener noreferrer" href="https://watrex.com/obchod/laboratory-automation/xtrovert-xt/?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_produkty"><strong>Watrex website</strong></a><strong>.</strong></p>

Watrex SPR-200 Solvent saver

Watrex SPR-200 Solvent Recycler is designed to save up to 90% of mobile phase during isocratic HPLC.

<p>This Solvent Recycler <strong>saves up to 90% of mobile phase</strong> by redirection of the pure solvent to the solvent reservoir during the isocratic HPLC. The stand alone device is powered by 5 V DC from <strong>power adapte</strong>r or from computer <strong>USB port</strong>. Working parameters (<strong>Threshold and Delay</strong>) are easily set on the display using a membrane keyboard.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_SPR_200_Solvent_saver_I_Nputs_694d991f2c.jpg" alt="Watrex: Watrex SPR-200 Solvent saver - INputs"></p><p>The SPR-220™ Solvent Recycler <strong>continuously monitors the output signal</strong> of the chromatography detector and displays its current value on the built-in display. A <strong>highresolution analog-to-digital converter</strong> provides data for further evaluation in the built-in processor. If the input signal level exceeds a preset value (Threshold), the SPR-200 will redirect the flow to the waste.</p><p>When the signal drops, the solvent recycler waits for the transport delay and then switches the mobile phase <strong>back to the reservoir</strong>. An autosampler injection marker connected to the SPR-200 ZERO input can be used to zero the input signal at the time of injection.</p><h3><strong>FEATURES</strong></h3><ul><li>Stand alone operation</li><li>Detachable valve</li><li>Possibility of manual Waste/Recycle switching</li></ul><h3><strong>TECHNICAL SPECIFICATION</strong></h3><ul><li><strong>Detector compatibility:</strong> compatible with any HPLC detector</li><li><strong>Connection:</strong> 1/16″ O.D. tubing, 1/4″-28 flat bottom fittings</li><li><strong>Maximum pressure:</strong> 30 p.s.i./0,2 MPa</li><li><strong>Wetted material:</strong> PEEK, PTFE</li><li><strong>Input range:</strong> +/- 1 V or +/- 100 mV, user selectable</li><li><strong>Computer connection:</strong> μUSB</li><li><strong>TTL/contact closure input:</strong> configurable (ZERO, start, valve position)</li><li><strong>Power:</strong> 5V DC/&lt;100 mA (power supply or computer USB port)</li><li><strong>User interface:</strong> large character LCD alphanumeric display + membrane keypad</li></ul><h3><strong>Ordering information:</strong></h3><h5><strong>PN/Component:</strong></h5><ul><li><strong>SPR200-001</strong> SPR-200 Solvent Recycler, PEEK version (<strong>Price 1 250 € ex VAT</strong>)</li><li><strong>SPR200-002</strong> SPR-200 Solvent Recycler, PTFE version (<strong>Price 1 250 € ex VAT</strong>)</li></ul><p><strong>You can also visit this product on the </strong><a target="_blank" rel="noopener noreferrer" href="https://watrex.com/?s=SPR-200+Solvent&amp;post_type=product&amp;dgwt_wcas=1?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_produkty"><strong>Watrex website</strong></a><strong>.</strong></p>

Waters Xevo MRT QTof Mass Spectrometer

Achieve exceptional science with the Xevo™ MRT Mass Spectrometer—100K resolution at 100 Hz, sub-ppm accuracy, and confident identification for greater lab productivity.

<h3><strong>Delivering Performance and SPEED</strong></h3><ul><li><strong>Resolution AND Speed Without Compromise</strong></li></ul><p><strong>Whether you’re in academia or industry achieve exceptional science - 100% of the time with the Xevo™ MRT Mass Spectrometer. This state-of-the art QTof delivers 100K resolution at 100 Hz with sub ppm mass accuracy for confident identification and greater productivity in your lab.</strong></p><h4><strong>Delivering performance at speed</strong></h4><p>The high resolution and mass accuracy of the Xevo MRT Mass Spectrometer are independent of acquisition rate. Working at maximum resolution ensures you can resolve analytes in complex matrices, providing comprehensive, high accurate mass data for scientific interpretation.</p><h4><strong>Increase compound identification confidence</strong></h4><p>Probe deeper at biologically relevant concentrations with high levels of mass accuracy. Search tolerances can be minimized resulting in efficient data review, improving turnaround times for increased lab productivity.</p><h4><strong>Connected solutions</strong></h4><p>A complete workflow for metabolomics, lipidomics, and metabolite identification through market leading chemistry and cutting-edge, informatics ensures your lab is operating with maximum efficiency – reducing the time to result.</p><h4><strong>Exceptional science - every day</strong></h4><p>System performance is critical. From instrument stability and robustness for extended studies to precision measurements in every injection, innovative multi reflecting time-of-flight technology delivers high quality experimental outcomes for every lab, every day.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Xevo_MRT_Hmotnostni_spektrometr_1_63e746d310.jpg" alt="Waters Xevo MRT Mass Spectrometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Xevo_MRT_Hmotnostni_spektrometr_1_63e746d310.jpg 244w," sizes="100vw" width="1119" height="715"></p><h3><strong>Extraordinary Performance</strong></h3><h4><strong>Without compromises</strong></h4><h5><strong>Exceptional science for every lab, scientist, problem, question, and sample… Solved</strong></h5><p>The exceptional combination of high mass resolving power of 100,000 FWHM and mass accuracy of &lt;500 part per billion (ppb) of the Xevo MRT Mass Spectrometer are achieved independent of acquisition rates, up to 100Hz. Maximum performance, matched to throughput levels that matter for complex and challenging analyses, increases statistical power and confidence in results.</p><h5><strong>Feeling trapped?</strong></h5><p>Unlike other high-resolution MS technologies, multi-reflecting time-of-flight delivers mass resolution consistent over a broad m/z range independent of scan speed, even at the fastest acquisition rates for MS and MS/MS data, ensuring confident identification of analytes across a range of samples and matrices – an ideal solution for metabolite profiling and discovery.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Xevo_MRT_Mass_Spectrometer_Extraordinary_Performance_d8879eda23.jpg" alt="Waters Xevo MRT Mass Spectrometer: Extraordinary Performance." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Xevo_MRT_Mass_Spectrometer_Extraordinary_Performance_d8879eda23.jpg 245w," sizes="100vw" width="1309" height="774"></p><h3><strong>Connected Solutions</strong></h3><h4><strong>From advanced chemistry to flexible informatics</strong></h4><p>Make meaningful scientific discoveries more efficient with dedicated workflows combining column chemistries, separations, and informatics with the exceptional data quality of the Xevo MRT Mass Spectrometer. The waters_connect™ platform allows you to process and report your data in the way that you want. Whether using a Waters supported solution or exporting data via mzML to custom scripted workflows, we have you covered.</p><h4><strong>The Xevo MRT mass spectrometer readily integrates with your existing pipeline and workflow strategy</strong></h4><p>Waters has partnered with Mass Analytica™ (mass-analytica.com) and their market leading metabolomic, lipidomic, and metabolite identification software packages, MARS, Lipostar2, and MassMetaSite, respectively. Through either the waters_connect Application Programming Interface (API) or via mzML*, there is the option for you to transfer your data into the relevant software package for statistical interpretation and identification of analytes.</p><p>The DATA Convert Application within the waters_connect Platform enables you to convert to and export mzML file formats, ensuring a seamless integration of technology and informatics for every lab.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Xevo_MRT_Hmotnostni_spektrometr_6_d0fc257136.jpg" alt="Waters Xevo MRT Mass Spectrometer: Connected Solutions." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Xevo_MRT_Hmotnostni_spektrometr_6_d0fc257136.jpg 236w," sizes="100vw" width="1212" height="802"></p><p>The waters_connect platform provides flexible data processing options, either using third-party applications via the waters_connect API or conversion of data sets to mzML file format via DATA Convert.&nbsp;</p><h3><strong>Unlocking a New Level of Confidence&nbsp;</strong></h3><h4><strong>By bringing an analytical powerhouse to every lab</strong>&nbsp;</h4><p>To meet the most challenging analytical problems that you experience head on, Waters has taken cutting edge technology that was pioneered in the SELECT SERIES™ MRT, scaling the raw power and resolution at speed into a compact flexible, benchtop platform.</p><h4><strong>The MRT Xevolution</strong></h4><p>The Xevo MRT Mass Spectrometer has been engineered to deliver high-end technology into a benchtop platform to solve your most challenging problems. The novel acquisition system, with dual gain analogue-to-digital converter, delivers long term system stability over a high dynamic range, ensuring exceptional quality data with consistent robustness and reproducibility.</p><p>The 4 m flight path with a total of 8 reflections within the MRT mass analyzer, achieves 100,000 FWHM resolution at scan rates of up to 100 Hz - for ultimate MS/MS performance.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Xevo_MRT_Hmotnostni_spektrometr_Schema_2448b0bc8d.jpg" alt="Waters Xevo MRT Mass Spectrometer: The Xevo MRT Mass Spectrometer schematic. ​" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Xevo_MRT_Hmotnostni_spektrometr_Schema_2448b0bc8d.jpg 236w," sizes="100vw" width="1199" height="794"></p>

Thermo Scientific Stellar Mass Spectrometer

Move biomarker candidates from discovery to validation more efficiently, confidently, and at lower cost with breakthroughs in extended scale, massive throughput, higher sensitivity, greater specificity, and unrivaled productivity.

<div><div id="container-a1c36dfacf"><div><div><div id="text-913638046"><p><strong>A new paradigm for targeted quantitation.&nbsp;Move biomarker candidates from discovery to validation more efficiently, confidently, and at lower cost with breakthroughs in extended scale, massive throughput, higher sensitivity, greater specificity, and unrivaled productivity.</strong></p><p>The Thermo Scientific Stellar Mass Spectrometer introduces revolutionary technology combining robust quantitation with the specificity of rapid full scan MS<sup>n</sup>&nbsp;acquisition creating unrivaled improvements in laboratory productivity.</p><div><div id="text-801893275"><h3><strong>Expanded experimental capabilities to meet the most challenging biomarker verification</strong></h3></div></div><div><div id="container-1e8e478f3a"><div><div><div id="text-1204752335"><p>The Thermo Scientific Stellar Mass Spectrometer offers an array of data acquisition capabilities to deliver robust and reproducible quantitation for a wide range of analytes across an extended dynamic range.</p></div></div></div></div></div><h4><strong>System highlights</strong></h4><div><div id="container-a89a56f063"><div><div><div id="text-451891225"><h5><strong>Improve ionization efficiency for more compounds at higher LC flow rates&nbsp;</strong></h5></div></div><div><div id="text-1671602085"><p>For a wider range of compounds separated using liquid chromatography operated at analytical flow rates, the Stellar Mass Spectrometer comes equipped with the Thermo Scientific OptaMax Plus Ion Source, which can deliver higher vaporizer temperatures to improve desolvation and ionization potentials.</p></div></div></div></div></div><figure class="image"><img style="aspect-ratio:1290/725;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Pragolab_Thermo_Scientific_Stellar_revolucni_hmotnostni_spektrometr_SF_Sys_Opta_Max_c303cf500a.jpg" alt="Thermo Fisher Scientific: Thermo Scientific Stellar Mass Spectrometer - SF Sys OptaMax" width="1290" height="725"></figure><div><div id="container-d79c3b2946"><div><div><div id="text-251514658"><h5><strong>Spend less time on instrument set-up and focus on the science</strong></h5></div></div><div><div id="text-989104128"><p>Trigger on-demand or scheduled system calibrations remotely and without disruption to your LC-MS system with the integrated Auto-Ready ion source.</p></div></div></div></div></div><div><div id="container-81dd07c9bb"><div><div><div id="text-1289282711"><h5><strong>Improve ion utilization by extending the capabilities of the new collision cell</strong></h5></div></div><div><div id="text-1641484825"><p>The ion concentrating routing multipole (ICRM) is a curved collision cell performing both beam-type fragmentation (HCD) and precursor/product ion accumulation capabilities as controlled by dynamic automatic gain control (AGC) with synchronized ion packet release to the high-pressure linear ion trap for downstream manipulation or detection.</p></div></div></div></div></div><figure class="image"><img style="aspect-ratio:1290/725;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Pragolab_Thermo_Scientific_Stellar_revolucni_hmotnostni_spektrometr_SF_Sys_ICRM_3b2326f3af.jpg" alt="Thermo Fisher Scientific: Thermo Scientific Stellar Mass Spectrometer - SF Sys ICRM" width="1290" height="725"></figure><div><div id="container-dbf5a6cdd9"><div><div><div id="text-813962034"><h5><strong>Efficiently manage ion populations for fast and sensitive analysis</strong></h5></div></div><div><div id="text-2033771024"><p>The&nbsp;hyper-fast dual-pressure linear ion trap mass analyzer expands analytical capabilities while maximizing fast, high-quality data acquisition.</p><p>The differential neutral pressures maintained in the high- and low-pressure linear ion traps prepares ions for higher-order manipulation or fast and sensitive ion ejection at scan rates up to 220 kDa/S, but typically operates at 125 kDa/S for robust data acquisition.</p></div></div></div></div></div><div><div id="container-9a523f34e0"><div><div><div id="text-1491120095"><h5><strong>Extended analytical capabilities to increase laboratory productivity</strong></h5></div></div><div><div id="text-328051555"><p>The high-pressure linear ion trap maximizes ion packet manipulation enabling multi-notch RF excitation for dissociation or ejection for SIM, higher order MS<sup>n</sup>, SPS MS<sup>3</sup>, or data-independent acquisition (DIA) to address the most challenging quantitative experiments.&nbsp;</p><div><div id="container-82e5907416"><div><div><div id="text-693866740"><h5><strong>Leverage single ion detection sensitivity to address the most challenging quantitation demands</strong></h5></div></div><div><div id="text-737565098"><p>Efficient and sensitive ion detection drives improved quantitative performance at scale. The dual conversion dynode configuration coupled to the photomultiplier tube detects ca. 84% of trapped ions for single ion sensitivity.</p></div></div></div></div></div></div></div></div></div></div><figure class="image"><img style="aspect-ratio:2048/1152;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Pragolab_Thermo_Scientific_Stellar_hmotnostni_spektrometr_SF_Sys_Extended_Scale_750dc20128.jpg" alt="Thermo Fisher Scientific: Thermo Scientific Stellar Mass Spectrometer - SF Sys Extended Scale" width="2048" height="1152"></figure><div><div id="text-1993749933"><h5><strong>Automated intelligence manages tMSn acquisition</strong></h5></div></div><div><div id="text-1206797739"><p>Streamline tMSn method creation and data acquisition management. PRM Conductor software effectively and efficiently creates robust targeted quantitative methods and manages reproducible data acquisition and processing.</p></div></div><div><div id="container-b03b606507"><div><div><div id="text-2005266584"><h5><strong>Maximize data completeness with the Adaptive RT routine</strong></h5></div></div><div><div id="text-671832198"><p>Eliminate the cost and time of optimizing RT kits to the study samples to boost timed/scheduled data acquisition performance using the Adaptive RT routine.</p><p>The method leverages a novel real-time mapping routine to dynamically adjust timed/scheduled data acquisition windows at narrower time intervals to eliminate missing values that compromise data quality.&nbsp;</p></div></div></div></div></div><figure class="image"><img style="aspect-ratio:1290/654;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Pragolab_Thermo_Scientific_Stellar_revolucni_hmotnostni_spektrometr_SF_Sys_PRM_Conductor_5b596e7e4c.jpg" alt="Thermo Fisher Scientific: Thermo Scientific Stellar Mass Spectrometer - SF Sys PRM Conductor" width="1290" height="654"></figure><div><div id="container-a192ba4b83"><div><div><div id="container-38d4c699d2"><div><div><div id="text-1578189934"><h5><strong>Industry-leading polarity switching speeds increase laboratory productivity</strong></h5></div></div><div><div id="text-1173595596"><p>Reduce the time, cost, and challenges associated with creating and implementing highly multiplexed quantitative metabolite analysis. Fast polarity switching speeds enable comprehensive compound interrogation in +ESI and -ESI at all MS<sup>n</sup> levels on an LC timescale.</p><div><div id="container-b5fb525888"><div><div><div id="text-18006314"><h5><strong>Environmentally friendly dry pumps decrease energy usage and maintenance</strong></h5></div></div><div><div id="text-1704557304"><p>Changing from two oil-based fore pumps to a single dry pump reduces heat output by 22% and decreases maintenance.</p><p>The use of a single dry pump also eliminates oil vapors and the need for oil checks and changes.</p><h3><strong>Solutions for additional research support</strong></h3><div><h4><strong>Translational proteomics</strong></h4><p>The Stellar Mass Spectrometer offers new possibilities for translational proteomics with improved specificity for greater quantitative performance at scale.</p><h4><strong>Quantitative proteomics</strong></h4><p>Accurate and precise quantitation for label-free and TMT multiplexing sample analysis strategies with the Stellar Mass Spectrometer.</p><div><h4><strong>Metabolomics and Lipidomics</strong></h4><p>Extended analytical capabilities quantify more metabolites and lipids with greater specificity using faster liquid chromatography gradients to increase laboratory productivity.</p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>

Modern HPLC separations in theory and practice

This book is a unique combination of theory and practice, but also overviews of stationary phases, sample prep materials, and vendor’s brief presentations.

Galochrom Chiral ION-QD HPLC columns

These HPLC columns are based on high-quality spherical silica from the world's leading silica manufacturer from Japan.

<p><strong>Chiral ion exchanger GEN-QD is highly efficient in the enantiomer resolution of acidic compounds.</strong></p><p>This product is now available in high quality and at a reasonable price at our company!</p><p>To create our <strong>chiral sorbent</strong>, we use <strong>3µm fully porous spherical silica particles</strong>, which provide greater efficiency than the original product.</p><p>Additionally, our <strong>Galo-ION-QD-200</strong> is recommended for <strong>biological applications</strong> due to its larger pore size, which improves the separation efficiency for large molecules.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Galochrom_Chiral_ION_QD_HPLC_kolony_ION_QD_selector_10dd9c7ee5.jpg" alt="Galochrom: Galochrom Chiral ION-QD selector."></p><h5><strong>Premium Quality</strong></h5><p>In every manufactured product, we guarantee the highest standards of quality.</p><h5><strong>Cost-effective</strong></h5><p>Our unique products optimize your budget &amp; enhance efficiency in your laboratory operations.</p><h5><strong>High-performance</strong></h5><p>Besides their outstanding performance, our HPLC columns also expand your separation possibilities.</p><h3><strong>Ordering information</strong></h3><blockquote><p><strong>Stationary phase Chiral ION-QD is provided in these column types: analytical and preparative</strong></p></blockquote><h4><strong>Analytical Columns</strong></h4><ul><li><strong>Dimensions [mm]: 150 x 3</strong></li><li>Porosity: [Å] 200</li><li>Cat. No.: ION02-A150</li><li><strong>Price [€]: 1 300</strong></li></ul><blockquote><h4><strong>Get up to a 20% discount on your first purchase with us.</strong></h4></blockquote><h3><strong>Reach new heights</strong></h3><p>Spend more time on testing and less time on troubleshooting</p><blockquote><h4><strong>How can our unique columns help you succeed?</strong></h4><p>Chiral ION-QN and Chiral ION-QD empower researchers with their daily tasks, such as:</p><ul><li>Seamless method development</li><li>Enantioseparation</li><li>Quality control</li><li>Monitoring of asymmetric reactions</li><li>Intermolecular interaction studies</li><li>Pharmacokinetic studies</li><li>Preparative separation</li><li>Production scale-up</li><li>Efficient purification</li></ul></blockquote><h4><strong>What makes Chiral </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1241"><strong>ION-QN</strong></a><strong> and ION-QD unique?</strong></h4><p><span style="font-size:20px;"><strong>Designed for stability</strong></span></p><p>The manufacturing of Chiral ION-QN and Chiral ION-QD was designed to produce highly reproducible and reliable HPLC columns. Our high standards in synthesis of organic selectors and robust packing technology ensures that each customer receives identical high-performance product.</p><p><strong>The chromatographic results are reproducible from run-to-run, column-to-column and batch-to-batch.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_1_9dea7516f4.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Designed for stability." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_1_9dea7516f4.jpg 245w," sizes="100vw" width="655" height="376"></p><p>During our manufacturing, we implement strict quality control measures over all aspects from silica chemistry up to column packing. As a result, almost no variation is observed among manufactured batches of chiral stationary phases.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_2_50c42d67e6.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Designed for stability." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_2_50c42d67e6.jpg 245w," sizes="100vw" width="1176" height="442"></p><h3><strong>Achieve your results</strong></h3><p>Increase your productivity with uniform, stable, and reproducible results</p><h4><strong>High-Quality Silica</strong></h4><p>Our columns contain fully-porous spherical particles from world’s leading manufacturer based in Japan. These ultra-pure silica particles have narrow size distribution to ensure reproducible, robust and reliable results.</p><p>In comparison to other manufacturers, Galochrom’s custom packing technology produces very stable and uniform bed with intact silica particles. As a<br>result, our columns:</p><ul><li>Enhance productivity and resolution</li><li>Provide accurate and consistent performance</li><li>Generate significantly higher plate counts</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_High_Quality_Silica_522d14ecf7.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - High-Quality Silica." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_High_Quality_Silica_522d14ecf7.jpg 245w," sizes="100vw" width="617" height="386"></p><h4><strong>Elution Order</strong></h4><p>Chiral ION-QN and Chiral ION-QD represent a pair of columns that enable the reversal of elution order of enantiomers.<strong> Now you can position your desired enantiomer first and easily achieve 100% purity at higher pace.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Elution_Order_85c5b02411.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Elution Order." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Elution_Order_85c5b02411.jpg 245w," sizes="100vw" width="953" height="545"></p><p>The elution order was investigated with other QN/QD derivatives using enantiomeric pairs of Leucine derivatives. The conclusions for the first eluent are following:</p><ul><li>Chiral ION-QN ⇒ L-Enantiomer</li><li>Chiral ION-QD ⇒ D-Enantiomer</li></ul>

Galochrom Chiral ION-QN HPLC columns

These HPLC columns are based on high-quality spherical silica from the world's leading silica manufacturer from Japan. 

<p><strong>Our company is proud to offer the Galo ION-QN chiral ion exchanger, which is capable of efficiently separating enantiomers of acidic compounds.</strong></p><p>This product is now available in high quality and at a reasonable price at our company!</p><p>To create our <strong>chiral sorbent</strong>, we use <strong>3µm fully porous spherical silica particles</strong>, which provide greater efficiency than the original product.</p><p>Additionally, our <strong>Galo-ION-QN-200</strong> is recommended for <strong>biological applications</strong> due to its larger pore size, which improves the separation efficiency for large molecules.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Galochrom_Chiral_ION_QN_HPLC_kolony_ION_QN_selector_f3789cb2c1.jpg" alt="Galochrom: Galochrom Chiral ION-QN selector."></p><h5><strong>Premium Quality</strong></h5><p>In every manufactured product, we guarantee the highest standards of quality.</p><h5><strong>Cost-effective</strong></h5><p>Our unique products optimize your budget &amp; enhance efficiency in your laboratory operations.</p><h5><strong>High-performance</strong></h5><p>Besides their outstanding performance, our HPLC columns also expand your separation possibilities.</p><h3><strong>Ordering information</strong></h3><blockquote><p><strong>Stationary phase Chiral ION-QN is provided in these column types: analytical and preparative</strong></p></blockquote><h4><strong>Analytical Columns</strong></h4><ul><li><strong>Dimensions [mm]: 150 x 3</strong></li><li>Porosity: [Å] 200</li><li>Cat. No.: ION01-A150</li><li><strong>Price [€]: 1 300</strong></li></ul><blockquote><h4><strong>Get up to a 20% discount on your first purchase with us.</strong></h4></blockquote><h3><strong>Reach new heights</strong></h3><p>Spend more time on testing and less time on troubleshooting</p><blockquote><h4><strong>How can our unique columns help you succeed?</strong></h4><p>Chiral ION-QN and Chiral ION-QD empower researchers with their daily tasks, such as:</p><ul><li>Seamless method development</li><li>Enantioseparation</li><li>Quality control</li><li>Monitoring of asymmetric reactions</li><li>Intermolecular interaction studies</li><li>Pharmacokinetic studies</li><li>Preparative separation</li><li>Production scale-up</li><li>Efficient purification</li></ul></blockquote><h4><strong>What makes Chiral ION-QN and </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1240"><strong>ION-QD</strong></a><strong> unique?</strong></h4><p><span style="font-size:20px;"><strong>Designed for stability</strong></span></p><p>The manufacturing of Chiral ION-QN and Chiral ION-QD was designed to produce highly reproducible and reliable HPLC columns. Our high standards in synthesis of organic selectors and robust packing technology ensures that each customer receives identical high-performance product.</p><p><strong>The chromatographic results are reproducible from run-to-run, column-to-column and batch-to-batch.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_1_9dea7516f4.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Designed for stability." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_1_9dea7516f4.jpg 245w," sizes="100vw" width="655" height="376"></p><p>During our manufacturing, we implement strict quality control measures over all aspects from silica chemistry up to column packing. As a result, almost no variation is observed among manufactured batches of chiral stationary phases.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_2_50c42d67e6.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Designed for stability." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Designed_for_stability_2_50c42d67e6.jpg 245w," sizes="100vw" width="1176" height="442"></p><h3><strong>Achieve your results</strong></h3><p>Increase your productivity with uniform, stable, and reproducible results</p><h4><strong>High-Quality Silica</strong></h4><p>Our columns contain fully-porous spherical particles from world’s leading manufacturer based in Japan. These ultra-pure silica particles have narrow size distribution to ensure reproducible, robust and reliable results.</p><p>In comparison to other manufacturers, Galochrom’s custom packing technology produces very stable and uniform bed with intact silica particles. As a<br>result, our columns:</p><ul><li>Enhance productivity and resolution</li><li>Provide accurate and consistent performance</li><li>Generate significantly higher plate counts</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_High_Quality_Silica_522d14ecf7.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - High-Quality Silica." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_High_Quality_Silica_522d14ecf7.jpg 245w," sizes="100vw" width="617" height="386"></p><h4><strong>Elution Order</strong></h4><p>Chiral ION-QN and Chiral ION-QD represent a pair of columns that enable the reversal of elution order of enantiomers.<strong> Now you can position your desired enantiomer first and easily achieve 100% purity at higher pace.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Elution_Order_85c5b02411.jpg" alt="Galochrom: Chiral ION-QN &amp; Chiral ION-QD HPLC columns - Elution Order." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Galochrom_Chiral_ION_QN_and_Chiral_ION_QD_HPLC_columns_Elution_Order_85c5b02411.jpg 245w," sizes="100vw" width="953" height="545"></p><p>The elution order was investigated with other QN/QD derivatives using enantiomeric pairs of Leucine derivatives. The conclusions for the first eluent are following:</p><ul><li>Chiral ION-QN ⇒ L-Enantiomer</li><li>Chiral ION-QD ⇒ D-Enantiomer</li></ul>

SIELC Alltesta Gradient Automated HPLC Analyzer

SIELC’s Alltesta™ Analyzer is an affordable HPLC analytical system with for measuring small and trace concentrations of various chemicals.

<p><strong>SIELC’s Alltesta™ Analyzer is an affordable HPLC analytical system that provides both scientific and educational environments with a convenient, simple solution for measuring small and trace concentrations of various chemicals in products such as milk, baby formula, pet food, pills, household formulations, and more.</strong></p><p>No difficult sample preparation is necessary, and no prior experience in chromatography or analytical chemistry is required for the operator. Measurements typically take less than 5 minutes, and the Alltesta™ comes with a set of supplies sufficient for 200 analyses.</p><ul><li><strong>Small foot-print</strong>, <strong>light-weight</strong>, can be used on a small table</li><li>No difficult sample preparation</li><li>Takes only a few <strong>minutes to start</strong> operating</li><li><strong>No chemical experience is required</strong> for instrument user</li><li><strong>User friendly</strong>, self explanatory <strong>cloud-based software</strong></li><li>Produces easy-to-understand <strong>results within 5-10 minutes</strong></li></ul><h4><strong>Alltesta Gradient Automated HPLC Analyzer includes:</strong></h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1249"><strong>Alltesta™ Power Tower</strong></a> (provides power and cloud connectivity)</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1244"><strong>Alltesta Mini Autosampler</strong></a> (includes <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1245"><strong>Alltesta High-Pressure Switching Valve</strong></a>)</li><li>Two <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1247"><strong>Alltesta™ Ultra High Pressure Mini Syringe Pumps</strong></a> for gradient flow</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1248"><strong>Alltesta UV-Vis Detector</strong></a></li></ul><h4><strong>Examples of Alltesta™-based HPLC methods</strong></h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Aspirin_in_Alka_Seltzer_Extra_Strength_Effervescent_Aspirin_on_Primesep_100_Column_d33816ae83.pdf"><strong>HPLC Method for Analysis of Aspirin in Alka-Seltzer Extra Strength Effervescent Aspirin</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Phenylephrine_Hydrochloride_1_in_Equate_Nasal_Spray_on_Primesep_100_Column_02f2983c25.pdf"><strong>HPLC Method for Analysis of Phenylephrine Hydrochloride 1% in Equate – Nasal Spray</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Rockstar_Zero_Carbs_Energy_Drink_with_Caffeine_and_Taurine_on_Primesep_100_Column_c87a85a0b4.pdf"><strong>HPLC Method for Analysis of Rockstar Zero Carbs Energy Drink with Caffeine and Taurine</strong></a></li></ul><p>See this cloud-based example of the <strong>2-Naphthalenesulfonic acid, Allura red, Fast Green FCF, 1,5-Naphthalenedisulfonic acid, Tartrazine</strong> separation method <a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/11972/injection/21307/?t=a992fefcdd3647b19f6bed81e182d3d8"><strong>here</strong></a>.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Alltesta_Gradient_Automated_Analyzer_example_of_the_2_Naphthalenesulfonic_acid_Allura_red_Fast_Green_FCF_1_5_Naphthalenedisulfonic_acid_Tartrazine_separation_b96e648d63.jpg" alt="SIELC: SIELC Alltesta™ Gradient Automated Analyzer - example of the 2-Naphthalenesulfonic acid, Allura red, Fast Green FCF, 1,5-Naphthalenedisulfonic acid, Tartrazine separation."></p>

SIELC Alltesta Cromite HPLC Analyzer

The Cromite™ Analyzer represents a new generation of affordable and easy-to-learn HPLC instrumentation for schools, colleges and universities.

<p><strong>With automated single-vial injection, high-pressure flow and UV/Vis detection capabilities, scholars can use this instrument to separate compounds, such as vitamins in juices, food dyes, caffeine and active ingredients in pharmaceutical products. The free cloud-connected software allows you to run tests, analyze results and share data from anywhere and with any device.</strong></p><p>SIELC Technologies provides a vast library of free methods for a variety of compounds, enabling students to characterize and understand the chemical composition of many different products. The Cromite™ Analyzer comes with a column of your choice and all necessary accessories to perform multiple analyses.</p><blockquote><p class="cke-user_style-important"><strong>We offer a special 40% discount for schools. (From 9 000 Eur excl. VAT)</strong></p></blockquote><h4><strong>Key Characteristics</strong></h4><ul><li><strong>Miniature size</strong> (WHL 115 x 190 x 115 mm / 4.5 x 7.5 x 4.5 in)</li><li>Single <strong>auto injection</strong></li><li>Pressure <strong>up to 4000 psi</strong></li><li><strong>Columns with 3 and 2 mm ID</strong></li><li><strong>Real-time data streaming</strong></li><li><strong>Optical signal monitoring</strong> (up to 4 wavelengths simultaneously)</li><li>Continuous <strong>pressure monitoring</strong></li><li>Create, store, and access <strong>methods</strong>, <strong>sample information</strong> and <strong>analysis results in the cloud</strong></li><li>Build calibration from standards, then <strong>analyze and quantitate</strong> samples</li><li><strong>Start</strong>, <strong>stop</strong>, and <strong>edit your analysis remotely</strong> from anywhere in the world</li><li><strong>Access</strong> your instrument &amp; data <strong>via PC, tablet or mobile phone</strong></li><li><strong>Only 2 cables</strong> need – power and Ethernet.</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_Alltesta_Cromite_Analyzer_39037f4c54.jpg" alt="SIELC: Alltesta™ Cromite Analyzer."></p><h4><strong>Examples of Alltesta™-based methods</strong></h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12579/injection/22619?t=3f67e3c308cc479085c836cc682e8f1a"><strong>HPLC Method of Analysis of Ascorbic Acid</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12533/injection/22589/?t=43cad31c0e924440a18874658565c3db"><strong>HPLC Method of Analysis of Theobromine, Theophylline, Caffeine and C7</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://chrom.app/share/#/samples/12411/injection/22415/?t=0c93f4eb855c43aebcfd4c3b1fd55ce9"><strong>HPLC Method of Analysys of Aspirine</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Phenylephrine_Hydrochloride_1_in_Equate_Nasal_Spray_on_Primesep_100_Column_02f2983c25.pdf"><strong>HPLC Method for Analysis of Phenylephrine Hydrochloride 1% in Equate – Nasal Spray</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/HPLC_Method_for_Analysis_of_Rockstar_Zero_Carbs_Energy_Drink_with_Caffeine_and_Taurine_on_Primesep_100_Column_c87a85a0b4.pdf"><strong>HPLC Method for Analysis of Rockstar Zero Carbs Energy Drink with Caffeine and Taurine</strong></a></li></ul><h5><strong>Specifications</strong></h5><ul><li>Power Requirements → 110-250 VAC</li><li>Current Requirements → Up to 0.5 A</li><li>Dimensions (WHL) → 115 x 190 x 115 mm / 4.5 x 7.5 x 4.5 in</li><li>Weight → 1.45 kg / 3.15 lb</li><li>Sampling Rate → 20 Samples per second</li><li>Noise Level → Less than 0.05 mAU</li><li>Sync Time → Chromatogram is synced with HPLC Cloud every second</li><li>Operating Temperature → 0 to 40° C, non-condensing</li></ul><h4><strong>Connectors</strong></h4><ul><li>Standard DC 5V (5521) power plug connector</li><li>CAT5 ethernet connector for communication with the software</li></ul>

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