Columns and Traps Part 1. Capillary columns
Procedure: Installing capillary columns in NPD and FID detectors
112
6. Adjust the column position so that the correction fluid mark on the column
is even with the bottom of the column nut. Proceed to step 8.
7. Gently insert the column into the detector until it bottoms; do not attempt
to force it further.
8. Tighten the column nut finger tight, then withdraw the column about 1 mm.
Use a wrench to tighten the nut an additional 1/4 turn.
9. After the column is installed at both inlet and detector, establish a flow of
carrier gas through the inlet. Heat the oven, inlet, and detector to operating
temperatures. Allow them to cool and then retighten the fittings.
Correction
fluid mark
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