Agilent Technologies 7820A Manual page 156

8
Maintaining the FID
C AU TI O N
156
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Place a septum, capillary column nut, and ferrule on the
4
column.
Ferrule
Column nut
Septum
5 Score the column using a glass scribing tool. The score must
be square to ensure a clean break.
Break off the column end by supporting it against the column
6
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.
Install the capillary column.
8
Bad
Good
Maintaining Your GC