2 Installing 7890 GC Columns
52 5977B Series MSD Operating Manual
To Calibrate Column Flow Linear Velocity
The steps listed below apply to 7890 and 6890 series GCs only. Capillary
columns must be calibrated prior to use with the MSD.
Procedure
1 Set Data Acquisition for splitless manual injection, and set up a real time
plot to monitor m/z 28.
2 Press [Prep Run] on the GC keypad.
3 Inject 1 µL of air into the GC inlet and press [Start Run].
4 Wait until a peak elutes at m/z 28. Note the retention time.
5 In the Instrument Control view, select GC Parameters from the Instrument menu.
6 Select the Configuration tab and then select the Columns tab.
7 Select your installed column from the table.
8 Click Calibrate to display the Calibrate Column dialog.
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