Chromatography Septa

Chromatography Septa

Disks of various sizes and materials placed on top of injection ports of GC instruments to create a leak-free seal between the atmosphere and carrier gas and minimize contamination. Septa prevent significant coring or leaking during repeated sample injections.
Silicone (8)
11 mm (3)
11.5 mm (1)
12.7 mm (1)
17 mm (1)
9 mm (2)
GC Instruments (1)
Trace and Focus GC Instruments (7)
Low Bleed Septum (5)
Low Coring Septum (3)
Products (8)
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8 Products
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Septa, BTO, 11mm, BPSepta, BTO, 11mm, BP
Silicone11 mmTrace and Focus GC InstrumentsPack
Septa, Marathon, 9mm, BPSepta, Marathon, 9mm, BP
Silicone9 mmTrace and Focus GC InstrumentsPack
Septa, BTO, 9mm, Glass Jar, 50 (Glass Jar)Septa, BTO, 9mm, Glass Jar, 50 (Glass Jar)
Silicone9 mmTrace and Focus GC InstrumentsEach
Septa, BTO, 11mm, BPSepta, BTO, 11mm, BP
Silicone11 mmTrace and Focus GC InstrumentsPack
Septa, BTO, 11.5mm, Glass Jar, 50 (Glass Jar)Septa, BTO, 11.5mm, Glass Jar, 50 (Glass Jar)
Silicone11.5 mmTrace and Focus GC InstrumentsPack
Septa, BTO, 12.7mm, Glass JarSepta, BTO, 12.7mm, Glass Jar
Silicone12.7 mmTrace and Focus GC InstrumentsEach
Septa, BTO, 17mm, Glass Jar, 50 (Glass Jar)Septa, BTO, 17mm, Glass Jar, 50 (Glass Jar)
Silicone17 mmTrace and Focus GC InstrumentsPack
Septa, Pack of 50Septa, Pack of 50
Silicone11 mmGC InstrumentsEach
Septa, BTO, 11mm, BP 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, Marathon, 9mm, BP 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, BTO, 9mm, Glass Jar, 50 (Glass Jar) 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, BTO, 11mm, BP 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, BTO, 11.5mm, Glass Jar, 50 (Glass Jar) 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, BTO, 12.7mm, Glass Jar 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, BTO, 17mm, Glass Jar, 50 (Glass Jar) 
Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.
Septa, Pack of 50 
A wide range to cover most applications