32 Maintaining Your GC
3 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 31.) 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
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
• To Install a Capillary Column in the TCD
• To Install a Capillary Column in the µECD
• To Attach a Capillary Column to the FPD
+
WARNING
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.
WARNING
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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