News from LabRulezLCMS Library - Week 14, 2026

<h3>We're excited to announce that <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/999">Clarity Chromatography Software</a> version 10.1.2 is now available!</h3>This minor update expands Clarity’s portfolio with new control modules.<h4>Newly added Instrument control modules</h4><ul><li>Ecom auxiliary modules</li><li>HTA ICF control modules</li><li>Spark pump</li></ul><h4>Updated Instrument control modules</h4><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/companies/168">Ecom</a> HPLC</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/companies/328">Knauer</a> HPLC</li><li>Spark ICF control modules</li><li>YoungIn Chromass HPLC</li></ul><blockquote>For a complete list of module changes, see the <a target="_blank" rel="noopener noreferrer" href="https://www.dataapex.com/version_history?product=1">Changelog</a>. For more info about exciting new features directly in Clarity, explore what was introduced in the <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/article/5622">Clarity 10.1 release highlights</a>.Clarity can control 1000+ instruments; the <a target="_blank" rel="noopener noreferrer" href="https://www.dataapex.com/controls">list can be previewed here</a>.</blockquote><h4>Supported Instruments in Clarity (DataApex) — Quick Guide</h4>Clarity Chromatography Software supports a wide range of chromatographs and peripherals via digital control (DD) and analog acquisition (A/D) using the Colibrick module.<h5>Gas Chromatographs (GC)</h5>Digital integration over LAN/RS232 (many via ICF):<ul><li>Agilent: 5890, 6890, 7890, 8860, 8890, Intuvo 9000</li><li>Shimadzu: GC-2010/2014, Nexis GC-2030</li><li>Thermo Fisher: TRACE 1300/1310</li><li>PerkinElmer: Clarus 400–690</li><li>Also supported: Dani, Ellutia, Young In Chromass, Apix, Fuli, GOW-MAC (selected models)</li></ul><blockquote>Note: Most Agilent 6890–8890 and Intuvo use LAN – ICF.</blockquote><h5>HPLC Systems</h5>Full system/module control:<ul><li>Agilent 1100–1290 Infinity II (ICF)</li><li>Shimadzu LC-10/20 and Nexera LC-40</li><li>PerkinElmer Flexar / NexSAR</li><li>Knauer Azura / BlueShadow / Smartline</li><li>Hitachi Chromaster / Primaide</li><li>Young In Chromass ChroZen series</li><li>Sykam S500–S600, Watrex Streamline, Hanon LC7000–7300</li></ul><h5>HPLC Modules (Pumps, Detectors, Ovens, Fraction Collectors)</h5><ul><li>Pumps: Agilent 1100–1290 families, Knauer, Shimadzu, PerkinElmer, Sykam, SSI, Ecom</li><li>Detectors: VWD/DAD(PDA)/RID/FLD/ELSD across Agilent, Shimadzu, Knauer, PerkinElmer, Young In Chromass, Ecom, etc.</li><li>Column Ovens: Agilent G1316x / G7116x, Shimadzu CTO-20/30/40, Knauer CT2.1, PerkinElmer Flexar</li><li>Fraction Collectors: Knauer FC 6.1, Teledyne FOXY series, Ecom ECF 2096, Waters Fraction Collector II</li></ul><h5>Autosamplers</h5><ul><li>Agilent GC ALS (7673/7683/7693/8697), HPLC ALS modules (G1313A–G7167C)</li><li>Shimadzu AOC-20 / AOC-5000+, SIL-10 / SIL-20 / SIL-40 series</li><li>CTC Analytics PAL, HTA autosamplers, Spark Alias/UHPLC, Knauer AS 6.1L</li><li>PerkinElmer Flexar / NexSAR AS</li></ul><h5>Other Devices</h5><ul><li>GC×GC modulators (e.g., Charles University GC×GC Modulator)</li><li>Valves &amp; switch modules (Agilent, Knauer, Shimadzu, VICI-Valco)</li><li>Degassers, flow monitors, managers, interfaces</li><li>LC-MS / GC-MS: Advion Expression CMS, Microsaic 4500 MiD, Markes BenchTOF (and others)</li><li>Balances (EA extension): Mettler Toledo, Sartorius</li></ul><h5>Analog Acquisition (Colibrick)</h5>A/D support for legacy or analog-output devices:<ul><li>GC: Agilent 5880/4890A, Varian 3xxx/3800/3900, PerkinElmer Clarus series, Thermo TRACE, Shimadzu GC-14/9A, Scion 43x/45x/83xx/85xx, etc.</li><li>HPLC Detectors: Waters 2487/2489, ESA Corona, Hitachi L-series, JASCO FP/UV, Ecom LCD series, many others</li><li>Elemental &amp; Amino Acid Analyzers: Carlo Erba/Costech ECS, Biochrom 20/30+</li></ul>If you are interested in a DEMO VERSION, contact us!

DataApex Clarity Chromatography software 10.1.2 just released!

🎤Dan Reddy (PhD candidate in the Department of Chemistry at Queen's University and a recipient of the NSERC Vanier Canada Graduate Scholarship. He was recently named one of the top 35 early-career scientists globally in the 2025 CAS Future Leaders program.)In this episode, we interview Daniel Reddy, 2025 CAS Future Leader and PhD candidate at Queen's University, about his groundbreaking research on automated mass spectrometry and dried matrix spots (DMS).Dan's work combines computer vision, 3D printer automation, and laser micromachining to revolutionize sample preparation—reducing CO₂ emissions by 28-fold and organic solvent use by 21-fold compared to traditional methods.<h4>What You'll Learn:</h4><ul><li>How to give a mass spectrometer "sight" and "taste" using computer vision and the LMJ-SSP (Liquid Microjunction Surface Sampling Probe)</li><li>The breakthrough technology behind Surface Energy Traps (SETs) for confining liquid droplets on paper substrates</li><li>Why dried matrix spots eliminate the need for cold-chain shipping and enable analysis of blood, urine, and saliva samples via standard mail</li><li>How DIY chemists are hacking 3D printers to build cost-effective autosamplers (replacing $10K+ systems)</li><li>The role of green chemistry and systems thinking in modernizing analytical methods</li><li>Why interdisciplinary collaboration (chemistry + computer science) is critical to innovation</li></ul><h4>Key Topics:</h4><ul><li>Dried Matrix Spots (DMS) for automated sample prep</li><li>Laser-micromachined Surface Energy Traps</li><li>Direct surface sampling mass spectrometry</li><li>Sustainability in analytical chemistry</li><li>3D printer customization for laboratory automation</li><li>The importance of science communication and community outreach</li></ul><h3>Video Transcription</h3><h4>Introduction</h4>Recent advances in analytical chemistry increasingly focus on simplifying workflows, improving sustainability, and enabling automation. In this context, the work of Dan Reddy centers on the concept of “bringing mass spectrometry to life” through the integration of automated sampling, computer vision, and dried matrix spot (DMS) methodologies.The primary objective is to enable efficient and reproducible analysis of biological and liquid samples—such as blood, urine, saliva, or other solutions—by depositing them onto substrates, drying them, and extracting meaningful analytical information directly via mass spectrometry.<h4>Conceptual Framework: Enabling “Sight” and “Taste” in Mass Spectrometry</h4>A central innovation in this work is the conceptual transformation of mass spectrometry from a passive analytical tool into an active, semi-autonomous system.<ul><li>“Sight” is introduced through camera-based computer vision, allowing the system to identify predefined patterns on a substrate.</li><li>“Taste” is implemented via a liquid microjunction surface sampling probe (LMJSSP), which enables direct extraction of analytes from surfaces.</li></ul>The LMJSSP consists of two concentric capillaries forming a continuously flowing microdroplet. When brought into contact with the sample surface, this droplet facilitates localized extraction, effectively enabling direct surface analysis without traditional chromatographic separation.Combined with an automated positioning system (adapted from 3D printer mechanics), the platform can autonomously locate sampling sites and perform reproducible measurements.<h4>Dried Matrix Spots as an Analytical Platform</h4><h5>Principle and Advantages</h5>Dried matrix spots involve depositing a small volume of liquid sample onto a substrate (commonly paper), followed by drying. This approach offers several advantages:<ul><li>Reduced need for cold-chain transport</li><li>Simplified sample handling and storage</li><li>Compatibility with remote or decentralized sampling</li><li>Lower solvent consumption</li></ul>These features contribute significantly to greener analytical workflows and improved logistical efficiency.<h5>Sustainability Impact</h5>The implementation of DMS-based workflows has demonstrated:<ul><li>Up to 28-fold reduction in CO₂ emissions</li><li>Up to 21-fold reduction in organic solvent use</li></ul>These improvements arise from eliminating cold-chain logistics and minimizing solvent-intensive preparation steps.<h4>Surface Energy Traps (SCTs): Controlled Micro-Sampling Environments</h4><h5>Definition and Fabrication</h5>Surface Energy Traps (SCTs) are microstructured regions on a substrate designed to confine liquid droplets within defined boundaries.The fabrication process involves:<ol><li>Coating paper with a hydrophobic layer</li><li>Using laser ablation to selectively remove the coating in defined patterns</li><li>Creating hydrophilic circular regions (typically ~0.5 mm diameter)</li></ol>These patterned regions act as micro-wells that confine droplets spatially and prevent lateral diffusion.<h5>Analytical Benefits</h5>SCTs address key limitations of traditional dried matrix spots:<ul><li>Improved spatial confinement of analytes</li><li>Reduced diffusion variability</li><li>Enhanced reproducibility</li><li>Preconcentration effects due to controlled drying</li></ul>Additionally, the SCT diameter is smaller than the sampling probe, enabling near-complete analyte collection during surface extraction.<h4>Drying Dynamics and Analyte Distribution</h4>Traditional dried matrix spots often suffer from the “coffee-ring effect”, where analytes redistribute unevenly during drying. This leads to variability depending on sampling location.The SCT approach mitigates these effects by:<ul><li>Limiting diffusion area</li><li>Maintaining analytes near the surface</li><li>Producing more uniform analyte distribution</li></ul>Preliminary investigations (e.g., via SEM imaging) indicate improved homogeneity, although further studies are needed to fully characterize drying kinetics and their influence on signal intensity.<h4>Integration with Automated Sampling Systems</h4><h5>3D Printer-Based Positioning</h5>A key engineering innovation is the repurposing of 3D printer hardware for automated sample positioning:<ul><li>Provides cost-effective XYZ motion control</li><li>Enables programmable sampling routines</li><li>Supports integration with analytical instrumentation</li></ul>Custom software—developed in collaboration with computer engineers—allows users to define coordinates, dwell times, and sampling parameters.<h5>Computer Vision Integration</h5>The addition of computer vision enables:<ul><li>Pattern recognition (e.g., alignment markers near SCTs)</li><li>Autonomous targeting of sampling locations</li><li>Reduced operator intervention</li></ul>This transforms the system into a semi-autonomous analytical platform.<h4>Comparison with Conventional Workflows</h4>Compared to traditional LC-MS or GC-MS workflows, the presented approach offers:<div><div><figure class="table"><table><thead><tr><th>Aspect</th><th>Conventional Methods</th><th>SCT + LMJSSP Approach</th></tr></thead><tbody><tr><td>Sample prep</td><td>Multi-step, solvent-intensive</td><td>Minimal, direct surface sampling</td></tr><tr><td>Chromatography</td><td>Required</td><td>Potentially bypassed</td></tr><tr><td>Throughput</td><td>Moderate</td><td>High (automated)</td></tr><tr><td>Sustainability</td><td>Limited</td><td>Significantly improved</td></tr></tbody></table></figure></div></div>While chromatographic methods remain essential for many applications, this approach provides a complementary pathway for rapid screening and targeted analyses.<h4>Green Chemistry and Systems Thinking</h4>A notable aspect of this work is the integration of systems thinking into analytical chemistry. Inspired by engagement with organizations such as the American Chemical Society and green chemistry initiatives, the research emphasizes:<ul><li>Environmental impact reduction</li><li>Resource efficiency</li><li>Lifecycle considerations</li></ul>This perspective expands the role of analytical chemists beyond method performance to broader societal and environmental implications.<h4>Future Outlook and Applications</h4>The research is currently at an early stage but shows strong potential for:<ul><li>Decentralized diagnostics (e.g., remote blood sampling)</li><li>Environmental monitoring</li><li>High-throughput screening workflows</li><li>Field-deployable analytical systems</li></ul>Further advancements are expected in:<ul><li>Substrate engineering</li><li>Automation robustness</li><li>Integration with advanced MS platforms (e.g., triple quadrupole systems)</li></ul><h4>Conclusion</h4>The integration of dried matrix spots, surface energy traps, and automated surface sampling represents a significant step toward more sustainable, efficient, and accessible analytical workflows.By combining innovations in microfabrication, computer vision, and mass spectrometry, the work of Dan Reddy demonstrates how analytical chemistry can evolve toward smarter, greener, and more autonomous systems.<blockquote>This text has been automatically transcribed from a video presentation using AI technology. It may contain inaccuracies and is not guaranteed to be 100% correct.</blockquote><blockquote><h4>Concentrating on Chromatography Podcast</h4>Dive into the frontiers of chromatography, mass spectrometry, and sample preparation with host David Oliva. Each episode features candid conversations with leading researchers, industry innovators, and passionate scientists who are shaping the future of analytical chemistry. From decoding PFAS detection challenges to exploring the latest in AI-assisted liquid chromatography, this show uncovers practical workflows, sustainability breakthroughs, and the real-world impact of separation science. Whether you’re a chromatographer, lab professional, or researcher you'll discover inspiring content!You can find Concentrating on Chromatography Podcast in podcast apps:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL">Spotify</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185">Apple podcast</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography">podscan</a></li></ul>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos">YouTube channel</a></blockquote>

Mass Spectrometry, Surface Sampling and Dried Matrix Spots - Greener Chemistry and 3D Printing

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Waters Atlantis Silica HILIC HPLC Columns

Waters Atlantis HILIC Silica columns are used in combination with high organic mobile phases (>80% ACN) to provide retention of analytes that are too polar 

Atlantis HILIC Silica columns are used in combination with high organic mobile phases (&gt;80% acetonitrile) to provide retention of analytes that are simply too polar to be retained by reverse-phase chromatography. HILIC separation mechanisms provide orthogonal analyte selectivity compared to traditional chromatographic reversed-phase approaches.Due to their hydrophilic nature combined with their net positive charge at acidic pH, retention and separation of very basic polar analytes are extremely difficult using reversed-phase chromatography. The HILIC technology is able to resolve these challenging separation problems. This is what makes the Atlantis Silica HILIC Column the ideal lab equipment for use in metabolism, drug discovery, and combinatorial chemistries.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg" alt="Waters: Atlantis Silica HILIC HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg 234w," sizes="100vw" width="660" height="440"><h4>Specifications</h4><ul><li>Chemistry: HILIC</li><li>Separation Mode: Hydrophilic Interaction (HILIC)</li><li>Particle Substrate: Silica</li><li>pH Range Min: 1 pH</li><li>pH Range Max: 5 pH</li><li>Maximum Pressure: 6000 psi (415 Bar)</li><li>Endcapped: No</li><li>Silanol Activity: High</li><li>Particle Shape: Spherical</li><li>Pore Size: 100 Å</li><li>System: HPLC</li><li>USP Classification: L3</li></ul><h4>The Waters Atlantis Silica HILIC HPLC Column is also available as:</h4><h5>Waters Atlantis Silica HILIC HPLC Column&nbsp;with eConnect Column Tag</h5><ul><li>This column comes equipped with an electronic eConnect column tag containing unique column-specific information. These NFC-enabled device-tagged columns were developed to automatically identify, track and digitally trace column use history. eConnect columns can be used on any HPLC, but its advantages are unlocked when used with the Waters Alliance iS System running Empower software.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_X_Bridge_BEH_C18_Column_with_e_Connect_Column_Tag_c056302ec7.jpeg" alt="Waters: Atlantis Silica HILIC HPLC Column with eConnect Column Tag" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_X_Bridge_BEH_C18_Column_with_e_Connect_Column_Tag_c056302ec7.jpeg 234w," sizes="100vw" width="660" height="440"><h3>Atlantis Columns</h3><h4>Reversed-phase and HILIC HPLC Columns for superior polar compound retention</h4>Polar analytes are difficult to retain using traditional reversed-phase (RP) chromatography as they often elute in the void volume of the column. You can solve this challenge today with Atlantis Columns, which retain and separate polar analytes under reversed phase and HILIC conditions and provide quick, accurate, and reproducible quantification with increased retention and sensitivity.Available in T3, dC18, and the unbonded HILIC chemistries, the Waters Atlantis Column family provides exceptional performance, versatility, retention, and chromatographic stability for polar compounds and balanced retention for broad analyte mixtures.&nbsp;<h4>Overview</h4><ul><li>Retains and separates small, water-soluble polar organic compounds</li><li>Compatible with 100% aqueous mobile phases</li><li>Improves detection limits, method reproducibility, and robustness by eliminating ion-pairing reagents</li><li>Long column lifetimes using low-pH mobile phases</li><li>Fully scalable in 3, 5, and 10 μm particle sizes</li><li>Recommended Use: For the reproducible retention and separation of a broad range of polar and non-polar compounds.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Atlantis_HPLC_Columns_6651612161.jpg" alt="Waters: Atlantis HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Atlantis_HPLC_Columns_6651612161.jpg 234w," sizes="100vw" width="1024" height="682">

Waters SunFire Silica HPLC Columns

Waters SunFire Prep Silica columns are general purpose columns used under normal phase conditions.

SunFire Prep Silica columns are general purpose columns used under normal phase conditions.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg" alt="Waters: SunFire Silica HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg 234w," sizes="100vw" width="660" height="440"><h4>Specifications</h4><ul><li>Chemistry: Silica</li><li>Separation Mode: Normal Phase</li><li>Particle Substrate: Silica</li><li>pH Range Min: 2 pH</li><li>pH Range Max: 8 pH</li><li>Maximum Pressure: 6000 psi (415 Bar)</li><li>Endcapped: No</li><li>Silanol Activity: High</li><li>Particle Shape: Spherical</li><li>Pore Size: 100 Å</li><li>System: HPLC</li><li>USP Classification: L3</li></ul><h3>SunFire Columns</h3><h4>Superior mass loading at low pH</h4>High efficiency at a low pH can be challenging. Waters SunFire HPLC Columns, available in analytical and preparative dimensions, help you do just that with state-of-the-art bonded silica designed for high mass loading, excellent low pH stability, superior peak shapes, and high efficiency.SunFire Analytical Columns are available in 2.5 µm to 10 µm particle sizes across two reversed-phase column chemistries, C18 and C8, sure to meet your silica-based HPLC column requirements. For preparative applications, in addition to the C18 and C8 chemistries, SunFire silica is offered in 5 and 10 µm particle sizes for preparative normal-phase purification.<h4>Overview</h4><ul><li>Exceptional loading capacity for both analytical and preparative columns</li><li>Excellent low pH stability for longer lifetimes</li><li>Superior peak shapes for faster and easier integration</li><li>Low mass spectral (MS) bleed, for enhanced analyte MS signal</li><li>Seamless scalability from analytical to optimum bed density (OBD) preparative columns</li><li>Recommended Use: For increased mass loading with excellent column stability.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Sun_Fire_Columns_3f48bd770c/Waters-SunFire-Columns.jpg" alt="Waters: SunFire Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Sun_Fire_Columns_3f48bd770c/thumbnail_Waters-SunFire-Columns.jpg 242w," sizes="100vw" width="900" height="580">

Waters Nova-Pak Silica HPLC Columns

Nova-Pak HR Silica columns are silica-based, semi-preparative and preparative columns that are based on 6 µm particle technology.

Nova-Pak HR Silica columns are silica-based, semi-preparative and preparative columns that are based on 6 µm particle technology. Compared to a 5 µm column, Nova-Pak HR columns offer higher resolution, more efficient separations, and faster chromatography.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg" alt="Waters: Nova-Pak Silica HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Atlantis_d_C18_HPLC_Columns_d7a741df9f.jpg 234w," sizes="100vw" width="660" height="440"><h4>Specifications</h4><ul><li>Chemistry: Silica</li><li>Separation Mode: Normal Phase</li><li>Particle Substrate: Silica</li><li>pH Range Min: 2 pH</li><li>pH Range Max: 8 pH</li><li>Maximum Pressure: 6000 psi (415 Bar)</li><li>Endcapped: No</li><li>Silanol Activity: Low</li><li>Particle Shape: Spherical</li><li>Pore Size: 60 Å</li><li>System: HPLC</li><li>USP Classification: L3</li></ul><h3>Nova-Pak Columns</h3><h4>Scale-up from analytical to prep, simplified</h4>Reducing solvent consumption while maintaining resolution for complex mixtures is important, but that’s a challenge with larger particle sizes. With the smaller particle sizes and shorter column lengths in Nova-Pak Columns, those problems are a thing of the past. The bonded phases of Nova-Pak Columns are available in 4 µm and 6 µm particle sizes, offering high resolution and faster, more efficient chromatography over columns packed with larger particle sizes.Nova-Pak Analytical Columns with 4 µm particle size packing offer a range of length options with 75, 100, 150, and 300 mm length steel columns. The semi-preparative Prep Nova-Pak HR Columns are packed with 6 µm particle size packings for unparalleled separation possibilities. The high-efficiency packing of Prep Nova-Pak HR Columns provides faster separations with less solvent for the added advantage of more concentrated fractions—reducing your preparative chromatography cost. To ensure batch-to-batch reproducibility, all Nova-Pak C18, C8, Cyano and Phenyl Columns are packed according to stringent quality control (QC) procedures in Waters cGMP manufacturing facility.<h4>Overview</h4><ul><li>Reduces solvent consumption while maintaining resolution for complex mixtures</li><li>Packed to stringent QC procedures to ensure batch-to-batch reproducibility</li><li>Chemistries include C18, C8, Cyano, and Phenyl stationary phases</li><li>Available in 4 µm analytical and 6 µm semi-preparative particle sizes</li><li>Recommended Use: For higher resolution and faster chromatography.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Nova_Pak_Columns_fad066ad02/Waters-Nova-Pak-Columns.jpg" alt="Waters: Nova-Pak Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Nova_Pak_Columns_fad066ad02/thumbnail_Waters-Nova-Pak-Columns.jpg 245w," sizes="100vw" width="900" height="392">

Products from category Si HPLC columns from Waters - page 1

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