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 – 30 of 39 results
1

MilliporeSigma™ Supelco™ Molded Thermogreen LB-2 Septa, Solid Discs

Molded Septa are manufactured from high quality, low bleed material that uses the same exclusive LB-2 rubber formulation chromatographers are accustomed to using.

EDGE
Design Solid Disc
Type Septa
For Use With (Equipment) Low Bleed GC-MS Columns
Temperature (Metric) Max 350°C
Material LB-2 Rubber
For Use With (Application) Manual Injections
2

Thermo Scientific™ Septa

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

EDGE
For Use With (Equipment) Trace and Focus GC Instruments
Material Silicone
3

Thermo Scientific™ Septa

A wide range to cover most applications

4

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

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

5

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

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

6

MilliporeSigma™ Supelco™ Barrier-type Septa

Aluminum-faced silicone barrier

7

Merlin Microseal™ System, Sold by MilliporeSigma™ Supelco™

Includes 1 Nut and 2 Low Pressure (1-45 psi) Septa, Fits Agilent GCs.

8

MilliporeSigma™ Supelco™ Molded Thermogreen™ LB-2 Septa with Injection Hole

Molded Septa are manufactured from high quality, low bleed material that uses the same exclusive LB-2 rubber formulation chromatographers are accustomed to using.

Design With Injection Hole
Type Septa
For Use With (Equipment) Low Bleed GC-MS Columns
Temperature (Metric) Max 350°C
Material LB-2 Rubber
9

MilliporeSigma™ Supelco™ Replacement Septa

For use with Mininert™ Valves

10

MilliporeSigma™ Supelco™ SS-174 PTFE-Faced Septa

Suitable to overcome the degradation of the septa, due to prolonged high temperatures which occurs in silicone rubber septa

Type SS-174 Septa
Thickness (English) 123 mil
Temperature (Metric) Max 300°C
Material Silicone
Liner Material PTFE Face
11

MilliporeSigma™ Supelco™ GR-2 Septa

Designed for routine, isothermal use

Type GR-2 Septa
Temperature (Metric) Max 200°C
Color Gray
Material Silicone Rubber
For Use With (Application) Routine, Isothermal Use
12

MilliporeSigma™ Supelco™ Septa For Gas Chromatography

For Use With (Application) Gas Chromatography (GC)
13

MilliporeSigma™ Supelco™ Three Layer Disc Septa

Feature a soft inner layer of silicone rubber sandwiched between hard outside layers

Type Disc Septa
Temperature (Metric) Max 200°C
Quantity 12 Pk.
No. of Layers 3
Liner Material Silicone Rubber
For Use With (Application) Gas Chromatography
14

Trajan™ HT GC Septa

HT GC septa is a bleed and temperature optimized material

Material BTO Silicone
15

Restek™ Thermolite Plus Septa
SDP

Ultra-low bleed minimizes background signal

Type Thermolite Plus Septa
Temperature (Metric) Max 350°C
For Use With (Application) Chromatography
16

Restek™ BTO™ Septa: Shimadzu Plug
SDP

Plasma coating eliminates sticking in the injection port

Design Centerguide
Type Shimadzu Plug Septa
Temperature (English) Max. 752°F
Temperature (Metric) Max 400°C
Coating Plasma
For Use With (Application) GC and GC/MS AppliCatIons
17

Restek™ BTO™ Septa: With CenterGuide
SDP

Plasma coating eliminates sticking in the injection port

Design Centerguide
Type Septa
Temperature (English) Max. 752°F
Temperature (Metric) Max 400°C
Coating Plasma
For Use With (Application) GC and GC/MS AppliCatIons
18

Trajan™ EC GC Septa

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

Type Long Life EC Septa
19

Restek™ Merlin Microseal Replacement Septa
SDP

Withstands thousands of injections

20

Krackeler Scientific GC and GC/MS Accessories
SDP

21

Hamilton™ GC Septa

Three Layer Septa for operating temperatures up to 200° C

Type Septa
Quantity 12/Pk.
Shelf Life 100 injections with a 26 s G needle
For Use With (Application) GC
22

Thermo Scientific™ Septum Holder Kit

Thermo Scientific™ Septum Holder Kit is for use with the Thermo Scientific™ Trace 2000 Series Gas Chromatograph.

ENCOMPASS
23

Separation Systems Inc D7169 Septa HTSD Ultralow bleed 11mm 20pk
SDP

NC1308586 SEPTA HT PK25

ENCOMPASS
24

Supelco Inc SLEEVE STOPPERS 100/PK

Sleeve stopper septa, bottom I.D. A- O.D. 9.3A mm A- 15.7A mm, white

ENCOMPASS
25

Scientific Specialties Service Inc SEPTA SPECL 23MM 5/95 ML THICK
SDP

This item has a minimum qty of 2 per supplier requirements.
SEPTA SPECL 23MM 5/95 ML THICK

ENCOMPASS_PREFERRED
26

Genesistc Inc SEPTA 12MM,TEFLON FACE 25/PK

This item has a minimum qty of 2 per supplier requirements.

ENCOMPASS
27

Illinois Instruments Inc SEPTA 3/4 100/PK
SDP

This item has a minimum qty of 2 per supplier requirements.

ENCOMPASS
28

Cole-Parmer Chromatography Research Supplies Puresep-T 230685 Septa, 7/16" (11.0 mm); 50/pack

PURESEP-T™ septa are made of PTFE and polyimide films on silicone rubber bases. PTFE gives maximum inertness and low bleed. Maximum temperature: 437°F (225°C).

ENCOMPASS_PREFERRED
29

JG FINNERAN 606MSLB-17 25/PK JAR

NC0921183 606MSLB-17 25/PK JAR

ENCOMPASS_PREFERRED
30

MOCON INC SEPTUM 15MM GREY 10000 P/PK

NC0367758 SEPTUM 15MM GREY 10000 P/PK

ENCOMPASS