5977C GC/MSD Operating Manual 115
5 Operating in CI Mode
General Guidelines 116
CI Autotune 117
To Operate the CI MSD 119
To Pumpdown the MSD in CI Mode 120
To Set Up the Software for CI Operation 121
To Operate the Reagent Gas Flow Control Module 123
To Set Up Methane Reagent Gas Flow 126
To Use Other Reagent Gases 128
To Perform a PCI Autotune (Methane Only) 131
To Perform an NCI Autotune (Methane Reagent Gas) 133
To Verify PCI Performance 135
To Verify NCI Performance 136
To Monitor CI Mode High Vacuum Pressure 137
This chapter provides information and instructions for operating the 5977C Series
CI MSDs in CI mode. Most of the information in the preceding chapter is also
relevant.
Most of the material is related to methane CI but one section discusses the use of
other reagent gases.
The software contains instructions for setting the reagent gas flow and for
performing CI autotunes. Autotunes are provided for PCI with methane reagent gas
and for NCI with any reagent gas.
If you are using the Agilent Intuvo 9000 Gas Chromatograph with your MSD,
Chemical Ionization (CI) is not currently supported.
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