6 Maintaining the Purged Packed Inlet
To Install a Capillary Column with the Purged Packed Inlet
Maintaining Your GC 79
6 Score the column using a glass scribing tool. The score must be square to ensure a clean
break.
7 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 there are no burrs or jagged
edges.
8 Wipe the column walls with a tissue dampened with isopropanol to remove fingerprints
and dust.
9 Position the column so it extends 1 to 2 mm above the end of the ferrule. Slide the septum
up the column to hold the column nut at this fixed position.
10 Thread the column nut into the inlet adapter but do not tighten.
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