10 Maintaining the VI
To Install a Capillary Column with the Volatiles Interface
168 Maintaining Your GC
5 Score the column using a glass scribing tool. The score must be square to ensure a clean
break.
6 Break off the column end by supporting it against the column cutter opposite the scribe.
Inspect the end with a magnifying loupe to make certain that there are no burrs or jagged
edges.
7 Wipe the column walls with a tissue dampened with isopropanol to remove fingerprints
and dust.
8 Position the column so it extends 6 mm above the end of the ferrule. Slide the septum up
the column to hold the column nut at this fixed position.
6 mm
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