50 Maintaining Your GC
5 Maintaining the Split/Splitless Inlet
9
Position the column so it extends 4 to 6 mm above the
end of the ferrule. Slide the septum up the column to
hold the column nut at this position.
10 Thread the column nut into the inlet but do not tighten.
11 Adjust the column position so that the septum contacts
the bottom of the column nut. Finger- tighten the column
nut until it begins to grip the column.
12 Tighten the column nut an additional 1/4 to 1/2 turn
with a wrench so that the column cannot be pulled from
the fitting with gentle pressure.
13 Configure the new column. If using the optional barcode
scanner, scan the column directly into your data system
software configuration, then download the changes to the
GC. `
14 Condition the column per the manufacturer’s
recommendation. (See To Condition a Capillary Column.)
15 Install the column into the detector. See:
• To Install a Capillary Column in the FID
• To Install a Capillary Column in the NPD
• To Install a Capillary Column in the TCD
• To Install a Capillary Column in the uECD
• To install a Capillary Column in the FPD Plus
• To Install a Capillary Column Adapter in the FPD
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