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Choosing the Right PTFE Septa for Pharmaceutical Analysis Applications
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These glass vial are used primarily for the collection and testing of aqueous samples for Total Organic Carbon (TOC). Secondary uses include containment of extracts. Please refer to the applicable certificate of analysis for certified analytes and corresponding reporting limits.Vials are available in all capacities, materials like plastic vials or glass vials, and in a variety of colors to
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When it’s time for sample injection, you can trust the PTFE/Silicone Septum from Waters to help you perform that process successfully. Our septa are held to a high standard of cleanliness and dimensional tolerances, as we believe you should only receive the cleanest products from us right out of the box. Tell your lab manager that you need
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PTFE/red rubber: PTFE/red rubber septa are a popular and affordable option for standard gas chromatography uses. These septa provide moderate resealing capabilities and high chemical inertness. It's not recommended to use PTFE/red rubber septa for multiple injections. When you choose your vial, it's equally important to select the correct cap.
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Apr 14, 2023 · Choosing the right chromatography vial for your application depends on various factors such as the sample volume, analysis technique, and required sensitivity. 16. What factors should I consider
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Mar 31, 2022 · Headspace and Sample Preparation Applications: Septa Properties . When choosing the right septa, you have to look at their properties. headspace vial 2ml nd9 vial with hard pp packing Four types of butyl rubber/chlorobutyl rubber . 1. Grey bromobutyl stopper . There is no PTFE barrier. Because of its low permeability, it’s ideal for gas
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Choosing the right septa When choosing proper septa, there are many factors to consider: type of solvent or sample, slit or non-slit design, and reseal ability. These factors ultimately lead to material makeup of the septa. Depending on the material chosen, you must also determine the proper tip diameter and if the septa
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Septa: PTFE Membrane and Silicone Rubber 0.4 mL Approximately 8 psi (0.6 Bar) 120 ºF (50 ºC) Technical Specifications Choose the Right Mini-UniPrep Filtering Media Sample Type Suitable Mini-UniPrep Media Particulate laden liquids Glass Microfiber (GMF) Aqueous/Organic samples in 3 to 10 pH range Nylon (NYL)
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22 mm x 0.125 mm PTFE/Silicone Septa for Headspace Vials, 72/pk | PerkinElmer. PerkinElmer. Revvity. Customer Transformation Hub. Request a Quote. Contact Us. We offer a variety of headspace consumables so you can evaluate different types of septa and vials for your sampling requirements.
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Septum Selection Guide Septa for use with general chromatography vials PTFE/Red Rubber Septa: (PTFE/RR) PTFE/Red Rubber septa are the most popular and economical choice for general gas chromatography applications. These septa are used primarily for routine analysis in gas chromatography with FID, TCD and FPD detectors.
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A layer of PTFE on each side of medium hardness silicone. Most resistant to coring with above average resealing characteristics. Recommended for most demanding applications such as trace analysis, longer time between injections, or for internal standards. Use with any autosampler using large diameter, blunt-tip syringe needles.
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The septum you choose for your autosampler vial can impact sample evaporation, sample security, needle bending and blockages, and instrument down time. Don’t let the complexities of septa selection slow you down. Use the simple online Thermo Scientific SureSTART Selection Guide to find the right septa and vial for your analysis.
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A specially moulded seal with a PTFE insert. Sealing surface of Butyl and PTFE affects a more positive seal than non-PTFE-faced septa. Ideal choice for temperatures below 125°C. Good sealing characteristics, excellent resistance to most solvents with reduced coring and high puncture tolerance.
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The septa are conditioned to provide the lowest level of chromatographic extractables. Choose these products for ultimate method performance and high levels of and sample security and integrity. All SureSTART vials, closures, and septa are certified to meet physical parameter specifications as part of our manufacturing process.
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Septum Selection Guide Septa for use with general chromatography vials, liquid injection 2-056 PTFE/Natural Red Rubber PTFE Natural Red Rubber are moderately priced seals for GC and HPLC with good chemical properties. They are ideal for multiple injections due to high resealability, but not as easy to penetrate as PTFE/RR.
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Sep 8, 2022 · Four Important Points you need to Consider when Choosing the Suitable Septa: 1. Instrument. Each instrument vendor uses different injector needle types and for some instruments, having pre-slit
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