Agilent Technologies G7035A Operation Manual page 89

Agilent 5977 Series MSD
Operation Manual
4
Operating in Chemical Ionization (CI)
Mode
General Guidelines
The CI GC/MSD Interface
CI Autotune
N/A Not available
To Switch from the Standard or Inert EI ion source to the CI Ion Source
To Switch from the Extractor EI Ion Source to the CI Ion Source
To Pump Down the MSD in CI Mode
To Set Up the Software for CI Operation
To Operate the Reagent Gas Flow Control Module
To Set Up Methane Reagent Gas Flow
To Use Other Reagent Gases
To Switch from the CI Ion Source to the Standard or Inert EI Ion Source
To Switch from the CI Ion Source to the Extractor EI Ion Source
To Perform a PCI Autotune (Methane Only)
To Perform an NCI Autotune (Methane Reagent Gas)
To Verify PCI Performance
To Verify NCI Performance
To Monitor CI Mode High Vacuum Pressure
This chapter provides information and instructions for operating the
5977 Series CI MSDs in Chemical Ionization (CI) mode. Most of the
information in the preceding chapter is also relevant.
Most of the material is related to methane chemical ionization 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 positive CI (PCI) with
methane reagent gas and for negative CI (NCI) with any reagent gas.
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