To Reverse A Column And Bakeout Contaminants - Agilent Technologies Agilent 7890 Series Maintenance Manual

Gas chromatograph
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4
Maintaining Capillary Columns

To Reverse a Column and Bakeout Contaminants

WA R N I N G
WA R N I N G
38
1
Gather the following:
1/4- inch wrench
Column cutter
2
Load the
maintenance method
become ready.
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.
Disconnect the column from the inlet and detector.
3
If necessary, cut a loop from the column. (See
4
Loop from a Column"
column to the inlet.
Remove the column from the hanger and reverse its
5
position (inlet and detector ends) and place the column
back on the hanger.
Attach the column to the inlet.
6
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
Attach your column to the detector.
7
Select your specific detector from the following list:
To Install a Capillary Column in the FID
To Install a Capillary Column in the NPD
and wait for the GC to
on page 37.) Do not attach the
Maintaining Your GC
"To Cut a

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