Product Category
PTFE/silicone septa for autosampler injections
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PTFE/silicone/PTFE – TST1, TST11. 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.
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Blue, PTFE/white silicone septa 100/pk 5182-0720 500/pk 5185-5863 Green, PTFE/white silicone septa 100/pk 500/pk 5185-5864 Red, PTFE/white silicone septa 100/pk 5182-0722 Blue, PTFE/silicone/PTFE septa 100/pk 5182-0723 500/pk 5185-5862 Green, PTFE/silicone/PTFE septa 100/pk 5182-0724 500/pk 5185-5861 Red, PTFE/silicone/PTFE septa 100
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13mm Septa for use with threaded caps Snap/Crimp Caps are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE. Supplier: Thermo Scientific™ C401560 View more versions of this product Catalog No. 03-340-10G $73.80 / Pack of 100 $618.50 / Case of 10 PK Qty Check Availability Add to cart Description Specifications
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multiple injections 200°C PTFE/SILICONE/PTFE PTFE/Silicone/PTFE septa provide superior performance with Aijiren 1050, 1090, , or any autosampler ...
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The Screw Caps that are inlcuded with this kit are knurled on the sides for excellent gripping and comfort when applyting to the vial. The PTFE/Silicone septa used were designed to provide the right amount of resistance to autosampler needles during the injection process so that they penetrate the vial properly without damaging the septa or the injection needle
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Pre-slit PTFE/Silicone Septa: A PTFE/Silicone septum is provided with a thin 0.005” PTFE layer laminated to our high purity silicone and slit through the center to provide for easier needle penetration as well as to release the vacuum that forms when a large volume of sample is withdrawn from a vial. This septum provides chromatographic
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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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PTFE/silicone/PTFE – TST1, TST11. 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.
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Pre-slit PTFE/Silicone . Pre-slit high quality silicone : For thin-gauge needles or instances when a vacuum may form in the vial. Recommended for Hitachi, Perkin-Elmer ISS, Waters 2690, and Waters Alliance Systems. PTFE/Silicone . High quality silicone laminated to 0.005 Teflon : Recommended for multiple injection applications.
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18 mm PTFE/Butyl Assembled Caps/Septa 3.2 mm thickness 100 N9306076 18 mm PTFE/Silicone Assembled Caps/Septa 3.2 mm thickness 100 N9306077 18 mm Red PTFE/White Silicone Metal Screw Cap/Septa 100 N6356474 1.3 mm thickness 8 mm hole 18 mm White PTFE/Transparent Blue Silicone Metal Screw Cap/Septa 100 N6356475 1.3 mm thickness 8 mm hole
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PTFE/Silicone Injector Septa, 11 mm diameter 50 00090652 Green Injection Port Septa, 11 mm diameter 10 N9306218 Autosampler Crimp and Screw Top Vials, Caps and ...
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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. Types of rubber septa.
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PTFE/silicone/PTFE – TST1, TST11. 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.
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Oct 21, 2022 · Oct. 21st, 2022. The septa and vial caps are essential parts of HPLC vials. The vial cap serves as a barrier, keeping outside contaminants out of the vial and preserving the integrity of the sample. The septa, a seal between the injection needle and the vial composed of silicone, PTFE, or rubber, ensure accurate and exact sample injection.
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1 Septa Selection Guide PTFE Recommended for single injection applications Excellent solvent resistance and chemical compatibility Does not reseal upon puncturing Not recommended for long-term sample storage PTFE/Silicone Recommended for multiple injections and sample storage Demonstrates excellent resealing characteristics
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