Agilent Technologies 5977B Series Operating Manual page 40

2 Installing 7890 GC Columns
7 Position the column so it extends 4 to 6 mm past the end of the ferrule. (See
Figure 4
8 Slide the septum up to the bottom of the nut to fix the correct column
9 Insert the column in the inlet.
10 Slide the nut up the column to the inlet base, and finger-tighten the nut.
11 Adjust the column position so the septum is even with the bottom of the
12 Tighten the column nut an additional 1/4 to 1/2 turn. The column should
13 Start carrier gas flow.
14 Verify flow by submerging the free end of the column in isopropanol. Look
See also
For more information about installing a capillary column, refer to Optimizing
Splitless Injections on Your GC for High Performance MS Analysis, Agilent
Technologies publication number 5988-9944EN.
40
Figure 4.)
Insulation cup
Reducing nut
Capillary column
Ferrule (inside nut)
Inlet column nut
Septum
Installing a capillary column for a split/splitless inlet
insertion length.
column nut.
not slide with a gentle tug.
for bubbles.
4 to 6 mm
5977B Series MSD Operating Manual
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