To Switch From The Extractor Ei Ion Source To The Ci Ion Source - Agilent Technologies G7035A Operation Manual

To Switch from the Extractor EI Ion Source to the CI Ion Source

Always verify MSD performance in EI before switching to CI operation.
CA UT IO N
Always set up the CI MSD in PCI first, even if you are going to run NCI.
Electrostatic discharges to analyzer components are conducted to the side board
CA UT IO N
where they can damage sensitive components. Wear a grounded antistatic wrist strap.
See
open the analyzer chamber.
Procedure
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5977 Series MSD Operation Manual
"Electrostatic discharge"
Vent the MSD. See "To Vent the MSD"
Open the analyzer. See
Remove the extractor EI ion source. See
page 128.
Remove the brown extractor wire from the feedthrough board and store it
with the EI extractor ion source. See
Install the CI ion source. See
Close the analyzer. See
Pump down the MSD. See
page 98.
Operating in Chemical Ionization (CI) Mode
on page 123. Take antistatic precautions before you
on page 76.
"To Open the Analyzer Chamber"
"To Remove the EI Ion Source"
Figure 13
"To Install the CI Ion Source"
"To Close the Analyzer Chamber"
"To Pump Down the MSD in CI Mode"
on page 78.
on page 81.
on page 167.
on page 80.
on
4
on
97