GC Guard Columns

GC Guard columns

Fused Silica tubing are produced from the purist form of glass, named fused silica. Fused silica capillaries consist of fused silica tubing and many external coatings of polyimide, It is the polyimide coating that is primarily responsible for the notorious flexibility of the capillary guard columns.  They are available in various length and ID and highly advanced deactivation techniques are used to ensure the guard columns and retention gap columns are the most inert possible.

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