To Operate The Reagent Gas Flow Control Module - Agilent Technologies G7035A Operation Manual

To Operate the Reagent Gas Flow Control Module

After the system has been switched from EI to CI mode, or vented for any other reason,
CA UT IO N
the MS must be baked out for at least 2 hours before tuning.
Continuing with CI autotune if the MS has an air leak or large amounts of water will
CA UT IO N
result in severe ion source contamination. If this happens, you need to vent the MS
and clean the ion source.
Procedure
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5977 Series MSD Operation Manual
In the Manual Tune dialog, click the CI Gas tab to access the parameter
settings for controlling the CI gas flow.
In the Operations area, select admit a reagent gas for the current tune file.
The system evacuates the gas lines for 6 minutes, then turns on the
selected gas (A or B). This is to reduce cross-mixing of the gases in the
lines.
Operating in Chemical Ionization (CI) Mode
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