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.
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Septa Thermo Scientific™

A wide range to cover most applications

Septa Thermo Scientific™

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.
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