156 Maintaining Your GC
8 Maintaining the FID
4
Place a septum, capillary column nut, and ferrule on the
column.
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 there are no burrs or jagged edges.
7 Wipe the column walls with a tissue dampened with
isopropanol to remove fingerprints and dust.
8 Install the capillary column.
CAUTION
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Ferrule
Column nut
Septum
Good
Bad
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