4 Maintaining Capillary Columns
To Reverse a Column and Bakeout Contaminants
38 Maintaining Your GC
11 Set the inlet temperature to 300 °C or 25 °C above the normal operating temperature.
12 Set the column oven 25 °C above the GC method final oven temperature to bake
contaminants out of the inlet, mostly through the split vent. Do not exceed the column
manufacturer’s maximum temperature limit.
13 Bakeout for 30 minutes.