5
Maintaining the Split/Splitless Inlet
To Install a Capillary Column with the Split/Splitless Inlet
Ferrule
Column nut
Septum
6 Score the column using a glass scribing tool. The score must be square to ensure a clean
7 Break off the column end by supporting it against the column cutter opposite the scribe.
8 Wipe the column walls with a tissue dampened with isopropanol to remove fingerprints
9 Position the column so it extends 4 to 6 mm above the end of the ferrule. Slide the septum
Maintaining Your GC
break.
Inspect the end with a magnifying loupe to make certain there are no burrs or jagged
edges.
and dust.
up the column to hold the column nut at this position.
Bad
Good
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