Septa, tan PTFE/silicone: Inquiry: white tan PTFE/silicone, diam. × thickness 16 mm × 0.090 in., for use with 15 mL vial, pkg of 100 ea: Septa, red PTFE/Silicone: Inquiry: red PTFE/white silicone, diam. × thickness 8 mm × 0.060 in., for use with Screw Top vial, 2mL, 4.6mm I.D., 8-425 thread, pkg of 1000 ea: Septa, PTFE/silicone/PTFE
Choose between 20-, 40-, and 60-mL capacities. Select standard screw-top or open-top septa caps. Screw-top caps feature either PTFE or septa liner. Level 1 VOA vials meet EPA recommended guidelines for contamination-free sample containers and include a Certificate of Analysis. Septa offered as a liner option for closed caps to ensure greater
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
Our specialists are here to help you find the best product or part available for your application. Call or Email us and we will make sure you get the right product or part for the job. Call Us At 1-800-323-4340. Buy Kinesis Silicone/PTFE Septum, 16 mm; 1000/pk and more from our comprehensive selection of Kinesis® Septa for Vials from Cole-Parmer.
The C&G 40 mL precleaned VOA (volatile organic compound) vial is mainly used in research laboratories or in chemical industries. It is suitable for use with autosamplers, solid cap and liners for analysis. This L3 vial comes with a 24-414 white PTFE septa cap which offers tight sealing of sample. Compare this item.
Septa. A wide range of serrated and non-serrated septa, and sleeve stoppers are available for use as temporary closures for glassware joints, tubes, bottles, NMR tubes, ampules, and cannulation techniques in air-sensitive chemistry. To protect your valuable contents in the vessels or containers from the atmosphere, our range of septa provide
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Ensure septa is not deformed due to overtightening—extends the life of your needle; Prevent sample evaporation due to poor vial-septa-cap sealing; UltraClean™ high-purity septa are optimized for GC and headspace analysis; Select caps with UltraBond® septum to avoid sample contamination
PTFE-Coated Silicone, Pre-assembled 1000 B4000022 20 mm Gray Butyl/PTFE Pre-assembled Cap/Septa/Spring 1000 N9306264 20 mm Gray Butyl/PTFE Pre-assembled Cap/Septa/Spring 100 N9306265 Clear 20 mL Headspace with Write-On Patch and Fill Lines Gray PTFE/Butyl Kit, Unassembled Cap/Septa/Spring 100 N9306266
Selecting the Correct Septa. It's vital to choose the right septa for your application. The wrong septa can compromise the accuracy of your results and reduce the lifespan of your supplies (increasing overall costs). The below chart shows some common septa materials along with their compatibilities, incompatibilities, and resealability.
Aijiren's headspace vial caps are engineered to prevent sample contamination while providing consistent, secure seals. Headspace vial caps are available in a variety of materials including aluminum, bimetal, and steel; headspace vial cap septa are available in PTFE/silicone, molded PTFE/butyl, and high-temperature varieties.
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.
Our closures with septa are made in a wide variety of sizes and materials ensuring you have the right combination for your sample type and analysis temperature. 9 mm Pre-Assembled Blue Polypropylene Screw Cap with Pre-Slit PTFE/Silicone Septa, 100/pk | PerkinElmer
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.
Table 1. Septa chemical compatibility. Solvent PTFE PTFE/Silicone PTFE/Silicone/PTFE* PTFE/Red rubber Fluoroelastomer PTFE/Butyl Acetonitrile Hydrocarbons (hexane, heptane, methane) Methanol Benzene THF Toluene DMF DMSO Ether Chlorinated solvents (methylene chloride) Alcohols (ethanol) Acetic acid Acetone Phenol Cyclohexane
