Agilent Technologies Agilent 7890 Series Maintenance Manual page 35

Gas chromatograph
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WA R N I N G
WA R N I N G
Maintaining Your GC
4
Cap the detector column fitting.
Set a minimum velocity of 30 cm/s, or as recommended
5
by the column manufacturer. Let gas flow through the
column at room temperature for 15 to 30 minutes to
remove air.
6
Program the oven from room temperature to the
maximum temperature limit for the column. Increase the
temperature at a rate of 10 to 15 °C/min. Hold at the
maximum temperature for 30 minutes.
Load the
GC maintenance method
7
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.
Attach the column to the detector. For details, select your
8
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 uECD
To install a Capillary Column in the FPD Plus
Maintaining Capillary Columns
and wait for the GC to
4
35

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