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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 39 results
1

Thermo Scientific™ Septa

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

Promotions are available
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
3

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

4

Trajan™ HT GC Septa

HT GC septa is a bleed and temperature optimized material

Material BTO Silicone
6

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

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

7

Hamilton™ GC Septa

Three Layer Septa for operating temperatures up to 200° C

Type Septum
Quantity 12/Pk.
Shelf Life 100 injections with a 26 s G needle
For Use With (Application) GC
8

Macherey-Nagel™ Silicone Standard Septa

Type Standard Septum
Quantity 50 Pack
Material Silicone
Hardness 60° Shore A
9

Macherey-Nagel™ Silicone Septa

Type Septum
Temperature (Metric) Max 250°C
Color Clear
Quantity 50 Pack
Material Silicone
Hardness 45° Shore A
10

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
11

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

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

13

Hamilton™ Septa, High Temp, 9.5 mm DIA (12/PK)

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

14

Hamilton™ Septa, High Temp, 6.35 mm DIA (12/PK)

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

15

Hamilton™ Septa, High Temp, 8.0 mm DIA (12/PK)

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