What is the purpose of foil as part of a septa in headspace analysis – FAQ

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ARTICLES, APPNOTES, FAQ (9012)
- AppNotes Library (1878)
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April 22, 2012
Bill Ciccone

ARTICLES, APPNOTES, FAQ / Autosampler Vials FAQ / Autosampler Vials Information / Crimp Top Vials & Cap FAQ / Frequently Asked Questions?? / Headspace Vial FAQ / Headspace Vials & Caps / MicroSolv Autosampler Vials FAQ / Vials & Caps General FAQ

The purpose of the foil is generally to be a barrier film. To keep any solvents or gases from affecting the septa in the crimp cap. It also has a heat insulator property.

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