Product Category
PTFE septa for solid chemistry
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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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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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Hamilton. High Temperature Septa is made of preconditioned PTFE/silicone rubber and is 3.175 mm (0.125 in.) thick. The average life of these septa is up to 100 injections with a 26s gauge needle. The maximum operating temperature is 212° C. Preconditioned PTFE/silicone rubber septa, 3.175 mm. Compare this item.
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Vials, screw top with solid green Thermoset cap with PTFE liner, preassembled, pkg of 100, volume 4 mL, clear glass vial, O.D. × H 15 mm × 45 mm, thread for 13-425 composite dimension.default 15 mm × 45 mm
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27261-U. black polypropylene hole cap, thread for 8-425, PTFE/silicone, Top Hat (septa and closure designed to fit together tightly), for use with 2 mL vial, 4.6 mm opening, pkg of 100 ea. View Pricing.
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PTFE Septa A solid disk of 0.010” thick PTFE offers superior chemical inertness against the most aggressive solvents. The thin membrane allows for easy penetration by most needles. PTFE septa are not resealable. They should be used with relatively short cycle times or single injection methods.
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9711B55 use Septa 9711D45 Screw Caps (9711C10 to C45) Open-top Phenolic Screw Caps are for use with 9711D10 series Septa.Cap number and hole diameter given in listings. . Tuf-bond Septa (9711D10 to D45) Thickness: 100 mils Of silicone rubber with PTFE facing 10 mils thick Septa
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Blue PTFE-lined solid top (for storage) 100/pk 5183-2075 Septa for Wide Opening Screw Caps Ivory, PTFE/red silicone 100/pk 5182-0731 PTFE/silicone septa, pre-slit ...
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Nov 5, 2018 · A: Evaporation of both solvent and analytes can occur over time, even with re-sealing septa like PTFE/Silicon. It is very much dependent on the chemistry of the analytes, the diluent, and the
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854987. black polypropylene hole cap, thread for 13-425, PTFE/red rubber septum, for use with 4 mL vials with 13-425 thread, pkg of 100 ea. View Pricing.
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United Scientific Supplies. Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. Stoppers can be steam sterilized at 15 lbs. pressure. Broad working temperature range of –62 to 232°C.
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Technical Support Customer Service. Thermo Scientific™ PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials. The same high quality PTFE-lined caps used on our Thermo Scientific glass environmental sample containers. The PTFE liner is bonded to the cap so it won't fall out
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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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Septa Only, GPI 22-400, PTFE/Silicone, 20mm x 0.060" Trademarks, service marks, registered trademarks, product and service names, and company names or logos that appear on the site are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Chemglass Life Sciences.
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