Agilent Technologies 7820A Manual page 41

Maintaining Your GC
Place a septum, capillary column nut, and ferrule on the
5
column.
Ferrule
Column nut
Septum
Score the column using a glass scribing tool. The score must
6
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.
Wipe the column walls with a tissue dampened with
8
isopropanol to remove fingerprints and dust.
Position the column so it extends 4 to 6 mm above the end of
9
the ferrule. Slide the septum up the column to hold the
column nut at this position.
Maintaining the Split/Splitless Inlet
Bad
Good
4
41