To Bakeout Contaminants From The Packed Column Inlet - Agilent Technologies 7820A Manual

To Bakeout Contaminants from the Packed Column Inlet

Maintaining Your GC
Set the column flow to the normal operating value.
1
Purge the column with carrier flow for at least 10 minutes
2
before heating the oven.
3 If the column is attached to the detector, set the detector
25 °C above normal operating temperature.
If the column is not attached to the detector, cap the detector
fitting.
Set the inlet temperature to 300 °C or 25 °C above the
4
normal operating temperature.
Set the column oven 25 °C above the GC method final oven
5
temperature to bake contaminants out of the inlet. Do not
exceed the column manufacturer's maximum temperature
limit.
6 Bakeout for 30 minutes or until the detector baseline is free
of contamination peaks.
Maintaining the Packed Column Inlet
6
107