5977B Series MSD Operating Manual 143
6 Operating in CI Mode
General Guidelines 144
CI Autotune 145
To Operate the CI MSD 147
To Pumpdown the MSD in CI Mode 148
To Set Up the Software for CI Operation 149
To Operate the Reagent Gas Flow Control Module 151
To Set Up Methane Reagent Gas Flow 154
To Use Other Reagent Gases 156
To Perform a PCI Autotune (Methane Only) 159
To Perform an NCI Autotune (Methane Reagent Gas) 161
To Verify PCI Performance 163
To Verify NCI Performance 164
To Monitor CI Mode High Vacuum Pressure 165
This chapter provides information and instructions for operating the 5977B 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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