PTFE septa for environmental testing

PTFE/Synthetic: (PTFE/RR) red rubber septa -30 +110 -22 +230 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

Polytetrafluoroethylene ( PTFE) is a synthetic fluoropolymer of tetrafluoroethylene and is a PFAS that has numerous applications. The commonly known brand name of PTFE-based composition is Teflon by Chemours, [3] a spin-off from DuPont, which originally discovered the compound in 1938. [3]

HS blank chromatograms from PTFE/silicone headspace septa from several competitors with High Performance septa. As shown in the figure, the High Performance septa provided low HS chromatographic background at 300 °C. 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 Supplier 3 Thermaseal HS septa Claimed can be used up to 300 °C

Temperature Stability Test Chambers; Environmental Testing. Apparel & Clothing; Bags; Beakers; ... 13mm x 0.040" Red PTFE/Silicone/Red PTFE Septa : Case of 1000 : ...

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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) 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.

Used for snap thread vials.Caps may be snapped on and off by hand which eliminated the need for a metal crimping and decapping tool. Specifications: Size: 11mm Septa Material: Ptfe Case Quantity: 1000. Compare this item.

Bottle Septa. Septa for bottles provide an airtight seal for bottles that prevents environmental contaminants but allows for the removal of the bottle’s contents by piercing with sharp needles. Septa bottle caps are generally available for open-top and screw caps and allow for aseptic syringe dispensing, as well as the addition of materials.

Autosampler vial septa, 13 mm for use with 13-425 threaded caps or 13 mm snap/crimp caps.Septa are available in a variety of materials and thicknesses. PTFE Natural 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. PTFE/High Performance Rubber is a highly

PTFE/High Performance Rubber is a highly pure synthetic red rubber septum that provides a reduced background level for specific GC applications, employing sensitive detectors such as ECD or NPD. PTFE/Silicone Septa (T/S) has high-quality, low background/blank value, 100% synthetic pure silicone septa. 64 results were found List View Easy View

Septa are selected based on the chemical properties of the sample and the temperature to which the vial will be subjected during the analysis. PTFE/Silicone is for use with most organic solvents. PTFE/Silicone is not for use with chlorosilanes. It has good resealability and can withstand a temperature of 250°C.

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.

Trust our low-level certified vials for Total Organic Carbon testing and sampling. Manufactured, tested and packaged by exacting standards,Thermo Scientific™ TOC Certified Containers are certified to contribute <10ppb or < 20ppb TOC as background. Product Overview. Recommendations. Documents.