Septa


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Silicone-based septa are typically used for both GC inlet seals and sample introduction. They have a centered hole for guiding the syringe needle. Quality and performance of septa have a direct effect on application results (reliability and accuracy), column lifetime and instrument condition. A good practice is to check and change septa as often as needed. Packaged in a glass jar.

Septa are made of two different processed silicone material: Advance Green (AG) and Bleed and Temperature Optimized (BTO). BTO temperature limit is 400ºC, and AG temperature limit is 350ºC. Both are preconditioned and ready to use.

Septa are offered in different sizes depending on the GC instrument configurations. Check the GC instrumentation specifications for details.

 

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