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Chromatography Septa

Chromatography Septa

Components on top of the injection port of GC systems that provide a leak-free seal between the atmosphere and carrier gas and minimize the introduction of contaminants; allow repeated sample injection without significant coring or leaking.
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1 – 15 of 40 results
1

Thermo Scientific™ Septa

Use low bleed, robust BTO Septa for demanding GC-MS applications.

For Use With (Equipment) Trace and Focus GC Instruments
Material Silicone
2

Thermo Scientific™ Septa

A wide range to cover most applications

Promotions are available
4

Trajan™ HT GC Septa

HT GC septa is a bleed and temperature optimized material

Material BTO Silicone
5

Trajan™ EC GC Septa

EC GC septa is designed for long lifetime and low injection port adhesion

6

Macherey-Nagel™ Silicone/PTFE Septa

Seal vials with GC injection port septa. The Macherey-Nagel™ silicone/PTFE septa comes in a variety of sizes.

Type Septum
Temperature (Metric) Max 200°C
Color Gray-White
Quantity 50 Pack
Material PTFE/Silicone
Coating One side coated with Grey PTFE
8

Thermo Scientific™ Marathon 11mm I.D. Septa in Glass Jar

Use low bleed, robust BTO Septa for demanding GC-MS applications.

9

Thermo Scientific™ Marathon 9mm I.D. Septa in Glass Jar

Use low bleed, robust BTO Septa for demanding GC-MS applications.

10

Cole Parmer Chromatography Research Supplies PURESEP-T™ Septa

Chromatography Research Supplies PURESEP-T™ Septa are made of PTFE and polyimide films on silicone rubber bases. PTFE gives maximum inertness and low bleed

11

Macherey-Nagel™ Silicone Septa

Type Septum
Temperature (Metric) Max 250°C
Color Clear
Quantity 50 Pack
Material Silicone
Hardness 45° Shore A
13

Hamilton™ Septa, Low Bleed High Temp., 5.0 mm DIA (50/PK)

High Temperature Septa is made of preconditioned PTFE/silicone rubber.

14

Hamilton™ Septa, 3-Layer, 9.5 mm DIA (12/PK)

Three Layer Septa is made of preconditioned silicone rubber and is 3.81 mm (0.150 in) thick.