Product Category
PTFE septa for method development
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PTFE/silicone septa are always best. What force is required to penetrate the septum? Generally, silicone septa are more easily pierced than red rubber or butyl septa. For thicker, hard-to-pierce septa, a small gauge (23 gauge) needle may be required, or a stronger S-needle can be used. Preslit septa are the best option for
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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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PTFE/silicone septa: (T/S) PTFE/Silicone is the most versatile septum material offered in various formulations to address specific applications requirements. Extractables from PTFE/Silicone septa are generally at lower levels compared to other resealable materials. PTFE/Silicone septa are
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Oct 9, 2014 · Phenex-PES membranes typically offer better chemical resistance than cellulose acetate and characteristics, Phenomenex recommends Phenex-RC (Regenerated Cellulose) filters. sample filtration and clarification. as well or better than your current syringe diameter and pore size, return the product with comparative data within 45.
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PTFE/Silicone septa are ideal for use in most HPLC and GC applications where resealability and purity are critical. Pre-slit PTFE/Silicone Septa Pre-slit septa are offered in many of the same formulations as for non-slit PTFE/silicone septa and shares most of the physical and chemical characteristics.
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PTFE/Silicone Septa: (T/S) High quality, pure silicone is laminated to 0.005” thick PTFE to give a pure, highly inert septum with excellent resealing characteristics even after repeated punctures. PTFE/Silicone septa are the preferred product for use in most HPLC and GC applications where resealability and high purity are critical.
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The PerkinElmer PTFE Coated Silicone Septa come in a pack of 100. Assay Development Workflows ... Collection of CASE Chemicals Testing Methods - Coatings ...
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Rubber septa. Used primarily for routine analysis in gas chromatography. Offers moderate ability to reseal and good chemical inertness. Not recommended for multiple injections or holding samples for further analysis. PTFE is protective layer that once broken exposes rubber to chemical attack.
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Select Level 3 products for ultimate performance and sensitivity from your methods, while maintaining the highest levels of sample security and integrity. Choose from a variety of kits containing short thread screw vials in glass or TPX and polypropylene caps with silicone/PTFE septa designed to reduce autosampler needle issues.
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Accessory Product Data Sheet Septum Selection Guide 411 Madrid Avenue Torrance, CA 90501 Tel: 310-212-0555 Fax: 310-328-7768 www.phenomenex.com
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General Purpose Septa for GC. Aijiren’s general-purpose septa are made from an enhanced injection-molded silicone rubber material. The septa material, dark red or gray in color, is specified to withstand over 200 automatic injections at an injection port temperature of 350 °C. You can have confidence in your chromatographic results knowing
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Precleaned Volatile Organic Analyte (VOA) Sampling Vials, 40 mL, 24-400 Screw-Thread Open Top with 0.125" PTFE/Silcone Septa, Clear, 72-pk. Catalog No. 21796 View
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Select Level 3 products for ultimate performance and sensitivity from your methods, while maintaining the highest levels of sample security and integrity. Choose from a variety of kits containing short thread screw vials with marking spots in clear or amber glass and polypropylene caps with silicone/PTFE septa designed to reduce autosampler
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Mar 31, 2022 · PTFE/rubber septa. PTFE/Red Rubber Septa have: 1. strong solvent resistance, 2. resealing properties, 3. and are coring resistant. When you need a PTFE barrier, they are the most cost-effective option. Until the initial puncture, the PTFE face increases solvent compatibility. Temperature stability chart for PTFE/rubber septa:
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PTFE/ High-performance red rubber septa -40 +110 -40 +230 PTFE/Silicone septa: (T/S) -60 +200 -76 +392 PTFE/Silicone/PTFE septa: (T/S/T)* -60 +200 -76 +392 PTFE septa* -200 +250 -328 +482 Butyl/Chlorobutyl/Bromobutyl stopper or septa -20 +125 -4 +257 Gray PTFE/Red rubber -40 +120 -40 +248 PTFE/White silicone purepack septa -60 +200 -76 +392
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