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1 Installing GC Columns
To install a capillary column in a split/splitless inlet
To install a capillary column in a split/splitless inlet
Materials needed:
Gloves, clean
large (8650-0030)
small (8650-0029)
Metric ruler
Wrench, open-end, 1/4-inch × 5/16-inch (8710-0510)
To install columns in other types of inlets, refer to your HP 6890 Series Gas
Chromatograph Operating Manual.
1 Prepare the column for installation (page 20).
2 Position the column so it extends 4 to 6 mm past the end of the ferrule.
3 Slide the septum to place the nut and ferrule in the correct position.
4 Insert the column in the inlet.
5 Slide the nut up column the to the inlet base and finger tighten the nut.
6 Adjust the column position so the septum is even with the bottom of the
column nut.
7 Tighten the column nut an additional 1/4 to 1/2 turn.
The column should not slide with a gentle tug.
8 Start carrier gas flow.
9 Verify flow by submerging the column end in isopropanol. Look for
bubbles.
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