6 Operation Manual
Controlling Temperatures 48
Controlling Column Flow 48
Controlling Collision Cell Flow 49
Venting the MS 50
Typical Vacuum Pressures in EI Mode 51
To Set Monitors for Temperature and Vacuum Status 52
To Set the MS Analyzer Temperature 55
To Set the GC/MS Interface Temperature from the MassHunter
Workstation 57
To Calibrate the Column 58
To Configure the Collision Cell Gas 60
To Set the Collision Cell Gas Flow Rate 61
To Autotune the MS for EI Mode 62
To Remove the Upper RIS Cover 64
To Open the Analyzer Cover for Access to the Analyzer
Sideplate 65
To Pump Down the MS 66
To Vent the MS 69
4 Operating in Chemical Ionization (CI) Mode
Setting Up Your MS to Operate in CI Mode 72
The CI GC/MS Interface 73
Operating the CI MS 75
High Vacuum Pressure in CI Mode 76
Other Reagent Gases 78
CI Autotune 80
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