Procedure: Creating A Column Compensation Profile; Procedure: Making A Run Using Column Compensation - Agilent Technologies 6890 Series Operating Manual

Signal Handling
Column compensation

Procedure: Creating a column compensation profile

1. Set up the instrument for a run.
2. Make a blank run to verify that the baseline is clean. This is particularly
important for new conditions or if the GC has been idle for several hours.
3. Press [Col Comp 1] or [Col Comp 2] to open the control table.
4. Press [Front] or [Back] depending on the detector you are using.
5. Select Start comp run or Start comp 1&2 run. Press [Enter].
a. Start comp run creates one profile.
b. Start comp 1&2 run creates two profiles (using different detectors
6. If the run is successful, the first line of the control table will say
Data ok, and a time and date will appear at the bottom.

Procedure: Making a run using column compensation

1. Set the up chromatographic conditions. They must be identical to those in
the stored column compensation run except that Final time in the last
ramp of the oven program can be longer or shorter.
2. Press [Signal 1] or [Signal 2] to access the signal control table.
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and columns but the same oven temperature program).
Message indicates status.
After a successful run, it
says Data ok.
Press [Front] or [Back] key
to change the detector.
Press [Enter] to start run.
Press [Enter] to create two
profiles-Col Comp 1 and
Col Comp 2