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They get used once and binned. So why are labs still paying £3 to ... [Read more](https://blog.chromatographydirect.com/1.30-per-filter-why-labs-are-switching-syringe-filter-supplier) [![Why ICP Signal Drift Usually Starts at the Pump Tubing](https://blog.chromatographydirect.com/hubfs/Canva%20images/600%20x%20308%20CD%20Blog%20Collared%20Tubing.png)](https://blog.chromatographydirect.com/icp-signal-drifting-check-the-pump-tubing-before-you-blame-the-plasma) ## [ICP Signal Drifting? Check the Pump Tubing Before You Blame the Plasma](https://blog.chromatographydirect.com/icp-signal-drifting-check-the-pump-tubing-before-you-blame-the-plasma) Your internal standard was flat for the first forty samples. By sample 150, it's down 15%, and you'r... [Read more](https://blog.chromatographydirect.com/icp-signal-drifting-check-the-pump-tubing-before-you-blame-the-plasma) [![PES vs Nylon vs PTFE Syringe Filters: Which Membrane Do You Need?](https://blog.chromatographydirect.com/hubfs/Syringe%20Filters/500x300-Syringe-Filters.jpg)](https://blog.chromatographydirect.com/pes-vs-nylon-vs-ptfe-picking-the-right-syringe-filter-membrane) ## [PES vs Nylon vs PTFE: Picking the Right Syringe Filter Membrane](https://blog.chromatographydirect.com/pes-vs-nylon-vs-ptfe-picking-the-right-syringe-filter-membrane) People treat syringe filter membrane choice as either trivially obvious or impossibly complex, and i... [Read more](https://blog.chromatographydirect.com/pes-vs-nylon-vs-ptfe-picking-the-right-syringe-filter-membrane) [![Bridge vs 3-Bridge Collared Tubing Explained](https://blog.chromatographydirect.com/hubfs/Canva%20images/600%20x%20308%20CD%20Blog%20Collared%20Tubing.png)](https://blog.chromatographydirect.com/2-bridge-or-3-bridge-how-to-read-collared-peristaltic-tubing) ## [2-Bridge or 3-Bridge? How to Read Collared Peristaltic Tubing](https://blog.chromatographydirect.com/2-bridge-or-3-bridge-how-to-read-collared-peristaltic-tubing) Collared tubing is described in shorthand that makes perfect sense once someone explains it, and abs... [Read more](https://blog.chromatographydirect.com/2-bridge-or-3-bridge-how-to-read-collared-peristaltic-tubing) [![Chromatography Direct Modus Flash Columns](https://blog.chromatographydirect.com/hubfs/Modus%20Flash/500x350-Modus-Flash.jpg)](https://blog.chromatographydirect.com/hplc-wear-items-the-small-parts-that-prevent-big-problems) ## [HPLC Wear Items: The Small Parts That Prevent Big Problems](https://blog.chromatographydirect.com/hplc-wear-items-the-small-parts-that-prevent-big-problems) Not every instrument problem traces back to a major component. More often, it's the small, overlooke... [Read more](https://blog.chromatographydirect.com/hplc-wear-items-the-small-parts-that-prevent-big-problems) [![Collared Tubing](https://blog.chromatographydirect.com/hubfs/Canva%20images/600%20x%20308%20CD%20Blog%20Collared%20Tubing.png)](https://blog.chromatographydirect.com/choosing-peristaltic-pump-tubing-pvc-solva-viton-or-pharmaprene) ## [Choosing Peristaltic Pump Tubing: PVC, Solva, Viton or Pharmaprene?](https://blog.chromatographydirect.com/choosing-peristaltic-pump-tubing-pvc-solva-viton-or-pharmaprene) Most pump tubing failures aren't pump failures. They're material choices that were never really made... [Read more](https://blog.chromatographydirect.com/choosing-peristaltic-pump-tubing-pvc-solva-viton-or-pharmaprene) [![Chromatography Direct Modus Flash Columns](https://blog.chromatographydirect.com/hubfs/Modus%20Flash/500x350-Modus-Flash.jpg)](https://blog.chromatographydirect.com/hplc-detector-lamps-and-spares-dont-wait-for-the-warning-light) ## [HPLC Detector Lamps and Spares: Don't Wait for the Warning Light](https://blog.chromatographydirect.com/hplc-detector-lamps-and-spares-dont-wait-for-the-warning-light) A failing detector lamp doesn't announce itself with an error message. It fades. Sensitivity drops, ... [Read more](https://blog.chromatographydirect.com/hplc-detector-lamps-and-spares-dont-wait-for-the-warning-light) [![](https://blog.chromatographydirect.com/hubfs/Blog%20Images/syringe-filters-blog.jpg)](https://blog.chromatographydirect.com/nylon-vs-ptfe-vs-cellulose-acetate-which-47mm-membrane-filter-do-you-actually-need) ## [Nylon vs PTFE vs Cellulose Acetate: Which 47mm Membrane Filter Do You Actually Need?](https://blog.chromatographydirect.com/nylon-vs-ptfe-vs-cellulose-acetate-which-47mm-membrane-filter-do-you-actually-need) You've got a sample to filter and five membrane options staring at you. Pick wrong and you'll dissol... [Read more](https://blog.chromatographydirect.com/nylon-vs-ptfe-vs-cellulose-acetate-which-47mm-membrane-filter-do-you-actually-need) [![Why Your Syringe Filters Block Mid-Sample (And the Simple Fix)](https://blog.chromatographydirect.com/hubfs/Syringe%20Filters/500x300-Syringe-Filters.jpg)](https://blog.chromatographydirect.com/syringe-filters-blocking-mid-sample-youre-missing-a-prefilter) ## [Syringe Filters Blocking Mid-Sample? You're Missing a Pre-filter](https://blog.chromatographydirect.com/syringe-filters-blocking-mid-sample-youre-missing-a-prefilter) You're halfway through pushing a 10 mL environmental water sample when the plunger locks up. The 0.4... [Read more](https://blog.chromatographydirect.com/syringe-filters-blocking-mid-sample-youre-missing-a-prefilter) [![Chromatography Direct Modus Flash Columns](https://blog.chromatographydirect.com/hubfs/Modus%20Flash/500x350-Modus-Flash.jpg)](https://blog.chromatographydirect.com/modus-flash-columns-premium-purification-without-the-premium-price-tag) ## [Modus Flash Columns: Premium Purification Without the Premium Price Tag](https://blog.chromatographydirect.com/modus-flash-columns-premium-purification-without-the-premium-price-tag) If you're running flash chromatography in your lab, you already know columns are a recurring cost th... [Read more](https://blog.chromatographydirect.com/modus-flash-columns-premium-purification-without-the-premium-price-tag) [![Chromatography Direct Modus Flash Columns](https://blog.chromatographydirect.com/hubfs/Canva%20images/Untitled%20(900%20x%20300%20px)-1.png)](https://blog.chromatographydirect.com/hplc-pump-spares-keep-your-system-running-without-breaking-the-budget) ## [HPLC Pump Spares: Keep Your System Running Without Breaking the Budget](https://blog.chromatographydirect.com/hplc-pump-spares-keep-your-system-running-without-breaking-the-budget) Your HPLC pump is the heart of your system. When it fails, everything stops. The good news? Most pum... [Read more](https://blog.chromatographydirect.com/hplc-pump-spares-keep-your-system-running-without-breaking-the-budget) [![Autosampler PM Kit](https://blog.chromatographydirect.com/hubfs/Canva%20images/Canva%20Export.png)](https://blog.chromatographydirect.com/hplc-autosampler-spares-the-parts-your-injector-needs-before-it-tells-you) ## [HPLC Autosampler Spares: The Parts Your Injector Needs Before It Tells You](https://blog.chromatographydirect.com/hplc-autosampler-spares-the-parts-your-injector-needs-before-it-tells-you) Autosampler problems are insidious. Unlike an obvious pump failure, a worn rotor seal or damaged nee... [Read more](https://blog.chromatographydirect.com/hplc-autosampler-spares-the-parts-your-injector-needs-before-it-tells-you) [![](https://blog.chromatographydirect.com/hubfs/Blog%20Images/syringe-filters-blog.jpg)](https://blog.chromatographydirect.com/how-to-choose-the-right-membrane-filter-for-water-testing) ## [How to Choose the Right Membrane Filter for Water Testing (Without Overpaying)](https://blog.chromatographydirect.com/how-to-choose-the-right-membrane-filter-for-water-testing) If you're running the membrane filtration method in your lab, you already know the drill: filter, in... [Read more](https://blog.chromatographydirect.com/how-to-choose-the-right-membrane-filter-for-water-testing) [![Chromatography Direct Syringe Filters](https://blog.chromatographydirect.com/hubfs/Blog%20Images/syringe-filters-blog.jpg)](https://blog.chromatographydirect.com/syringe-filter-types-compared-which-membrane-should-you-choose) ## [Syringe Filter Types Compared: Which Membrane Should You Choose?](https://blog.chromatographydirect.com/syringe-filter-types-compared-which-membrane-should-you-choose) Not all syringe filters are created equal. The membrane you choose directly affects your results, yo... [Read more](https://blog.chromatographydirect.com/syringe-filter-types-compared-which-membrane-should-you-choose) [![Chromatography Direct Vials and Caps](https://blog.chromatographydirect.com/hubfs/Vials%20and%20Caps/1596x610-Vials.jpg)](https://blog.chromatographydirect.com/why-its-the-worlds-most-popular-chromatography-vial) ## [The 9-425 Screw Thread Vial: Why It's the World's Most Popular Chromatography Vial](https://blog.chromatographydirect.com/why-its-the-worlds-most-popular-chromatography-vial) The 2mL clear borosilicate glass vial with a 9-425 screw thread and PTFE/silicone septum isn't just ... [Read more](https://blog.chromatographydirect.com/why-its-the-worlds-most-popular-chromatography-vial) [![Eliminating Chlorophyll Interference in Pesticide Testing with ChloroFiltr®](https://blog.chromatographydirect.com/hubfs/Canva%20images/600%20x%20308%20CD%20Blog%20UCT%20-%20Pesticide%20Testing.png)](https://blog.chromatographydirect.com/remove-chlorophyll-without-losing-planar-pesticides) ## [ChloroFiltr®: Remove Chlorophyll Without Losing Planar Pesticides](https://blog.chromatographydirect.com/remove-chlorophyll-without-losing-planar-pesticides) The Problem Green plant matrices (leaves, stems, herbs, leafy vegetables) are loaded with chlorophyl... [Read more](https://blog.chromatographydirect.com/remove-chlorophyll-without-losing-planar-pesticides) [![Per - and polyfluoroalkyl substances (PFAS)](https://blog.chromatographydirect.com/hubfs/AdobeStock_830956824.jpeg)](https://blog.chromatographydirect.com/why-your-lab-should-buy-vials-and-caps-from-a-chromatography-specialist) ## [Why Your Lab Should Buy Vials and Caps From a Chromatography Specialist](https://blog.chromatographydirect.com/why-your-lab-should-buy-vials-and-caps-from-a-chromatography-specialist) The "add to cart" trap Most labs order vials and caps the same way every time: reorder the OEM part ... [Read more](https://blog.chromatographydirect.com/why-your-lab-should-buy-vials-and-caps-from-a-chromatography-specialist) [![Clean Screen XCEL II: A case report on delta-8-THC acetate metabolism](https://blog.chromatographydirect.com/hubfs/Canva%20images/600%20x%20308%20CD%20Blog%20UCT%20-%20Clean%20Screen%20XCEL%20II.png)](https://blog.chromatographydirect.com/clean-screen-xcel-ii-a-case-report-on-delta-8-thc-acetate-metabolism) ## [Clean Screen XCEL II: A case report on delta-8-THC acetate metabolism](https://blog.chromatographydirect.com/clean-screen-xcel-ii-a-case-report-on-delta-8-thc-acetate-metabolism) The illicit drug laboratory and analytical toxicology laboratory of Singapore’s Health Sciences Auth... [Read more](https://blog.chromatographydirect.com/clean-screen-xcel-ii-a-case-report-on-delta-8-thc-acetate-metabolism) [1](https://blog.chromatographydirect.com/tag/chromatography) [2](https://blog.chromatographydirect.com/tag/chromatography/page/2) [3](https://blog.chromatographydirect.com/tag/chromatography/page/3) [Next](https://blog.chromatographydirect.com/tag/chromatography/page/2) [Last](https://blog.chromatographydirect.com/tag/chromatography/page/3) ## Absolute Recovery Vials Part Number: VI-04-12-07AR Do you have limited sample volume? Sample down to a residual volume of 2µl\* with the NEW Absolute Recovery Vial from Chromatography Direct. 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