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Chromatography Autosampler Vial Septa

Piercable closure membranes designed for use with chromatography autosampler vials; used to facilitate closed sample collection.
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1 – 15 of 38 results
1

MilliporeSigma™ Supelco™ White/Tan PTFE/Silicone Septa

May be used in headspace solid-phase microextraction (SPME) (lyophilized aqueous extract)

Color Tan,White
Material PTFE/Silicone
No. per Pack 100
2

MilliporeSigma™ Supelco™ Red, White PTFE/Silicone Septa

It is used as an air-tight seal, and prevents contamination

3

MilliporeSigma™ Supelco™ Tan PTFE/Silicone Septa

Vial septa are available in a variety of materials

Color Tan
Material PTFE/Silicone
Temperature Range (Metric) Temperature limit 120°C
4

MilliporeSigma™ Supelco™ White PTFE Cap Liner

Cap liners that can be used with Erlenmeyer flasks

Description Oversized for better sealing ability
Thickness (English) 0.010 in.
Color White
Temperature Range (English) Temp. limit 225°C
Material PTFE
No. per Pack 100
5

MilliporeSigma™ Supelco™ PTFE/Silicone Septa

Vial septa are available in a variety of materials

6

Thermo Scientific™ PTFE/Silicone Discs

Combine the inertness of a PTFE coating with the resealability of silicone Thermo Scientific™ PTFE/Silicone Discs.

Thickness (Metric) 10 mil
Product Type Disc
Quantity 72 Pk.
Material PTFE,Silicone
Certifications/Compliance Certificate of Analysis (COA), Certificate of Conformance (COC)
Autoclavable Autoclavable
7

MilliporeSigma™ Supelco™ Transparent PTFE/Silicone Septa

Septa, PTFE/Silicone have been used to seal the headspace vial in the determination of methylene chloride in urine samples by solid-phase microextraction technique combined with gas chromatography.

9

MilliporeSigma™ Supelco™ Blue PTFE/White Silicone Septa

It is used as an air-tight seal, and prevents contamination

For Use With (Equipment) 2 mL Standard Opening Vial
Color Blue,White
Diameter (Metric) Inner 8 mm
Material PTFE/Silicone
No. per Pack 100
Temperature Range (Metric) Temperature limit 250°C
10

MilliporeSigma™ Supelco™ Thermogreen™ LB-2 Septa, Pre-drilled

For use with SPME applications to reduce septum coring

Product Type Septa, LB-2
Style Pre-drilled
For Use With (Application) SPME
Product Line Thermogreen
11

MilliporeSigma™ Supelco™ Thermogreen™ LB-1 Septa, Solid Disc

Suitable for conveniently introducing the sample without causing the system to leak. Improper septa decompose under the high-temperature conditions of capillary inlets causing baseline disruption and ghost peaks in a chromatogram.

Product Type Septa, LB-1
Color Green
Style Solid Disc
No. per Pack 50/Pk.
Temperature Range (Metric) 50°C to 300°C
For Use With (Application) Gas Chromatography
Product Line Thermogreen
12
Promotions Available

Thermo Scientific™ 8 mm HPLC and GC Vial Septa

Use Septa for 8-425 Screw Thread Caps to suit a variety of HPLC and GC applications

Product Type Septa
13

DWK Life Sciences MicroLiter 16mm Septa for Screwthread Headspace Vial Caps

MicroLiter 16mm Septa for Screwthread Headspace Vial Caps are constructed of PTFE, PTFE/butyl, or PTFE/silicone materials to suit a variety of chromatography applications, including GC and GC-MS headspace sampling.

Pre-slit No
For Use With (Equipment) 16 mm Screw Thread Headspace Vials - MicroLiter
Closure Size 16 mm
Quantity 100/Pk.
14

DWK Life Sciences MicroLiter 20 mm Crimp Top Headspace Vial Septas and Stoppers

MicroLiter 20 mm Crimp Top Headspace Vial Septas and Stoppers are designed for use with 20 mm crimp seal headspace vials. Butyl stoppers suit applications where PTFE is not required; PTFE/butyl and molded PTFE/butyl septa deliver low background peaks and a tight seal.

Pre-slit No
For Use With (Equipment) 20 mm Headspace Seals - MicroLiter
Closure Size 20 mm
15
Promotions Available

Thermo Scientific™ SUN-SRi™ Septa for 8-425 Screw Thread Caps

Thermo Scientific caps and vials are available in a wide variety of sizes and configurations to fit the needs of many applications.

Diameter (Metric) Outer 0.8 cm
Diameter (English) Outer 0.314 in.
Autoclavable Not Autoclavable