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Columns and Fittings
Inlet inserts
25
1. Assemble a brass nut and graphite ferrule onto the liner/adapter.
2. Insert the liner/adapter straight into the detector base as far as
possible.
3. Holding the liner/adapter in this position, tighten the nut finger•tight.
4. Use a wrench to tighten the nut an additional 1/4 turn.
5. Install the column; then heat the oven, inlet, and detector to desired
operating temperatures and, only if necessary to stop leaks, tighten
fittings further.
Inlet inserts
Inserts are used in inlets, and can be installed from the top of the
particular inlet.
Packed column inlet inserts
Flared End
Glass Insert for Packed Column Inlet Liner
Figure 1-8
Assuming the correct inlet liner is installed, a glass insert is installed as
described on the next page.