38 Maintaining Your GC
4 Maintaining Capillary Columns
To Reverse a Column and Bakeout Contaminants
1 Gather the following:
• 1/4- inch wrench
• Column cutter
2 Load the maintenance method and wait for the GC to
become ready.
3 Disconnect the column from the inlet and detector.
4 If necessary, cut a loop from the column. (See “To Cut a
Loop from a Column” on page 37.) Do not attach the
column to the inlet.
5 Remove the column from the hanger and reverse its
position (inlet and detector ends) and place the column
back on the hanger.
6 Attach the column to the inlet.
Select your specific inlet from the following list:
• To Install a Capillary Column with the Split/Splitless
Inlet
• To Install a Capillary Column with the Purged Packed
Inlet
• To Install a Capillary Column with the COC Inlet
• To Install a Capillary Column with the Multimode Inlet
• To Install a Capillary Column with the PTV Inlet
• To Install a Capillary Column with the VI
7 Attach your column to the detector.
Select your specific detector from the following list:
• To Install a Capillary Column in the FID
• To Install a Capillary Column in the NPD
Be careful! The oven and/or detector may be hot enough to cause
burns. If the detector is hot, wear gloves to protect your hands.
Wear safety glasses to protect your eyes from flying particles
while handling, cutting, or installing glass or fused silica capillary
columns. Use care in handling these columns to prevent puncture
wounds.
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