Agilent Technologies 7500 ICP-MS Operator's Manual page 157

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Agilent 7500 ICP-MS ChemStation Operator's Manual
Tuning
Reaction Gas Graph Dialog box
The Reaction Gas Report will appear when you click the Tabulate button in the
ICP-MS Tuning-Reaction Gas Window.
15)Click the Close button, close the Reaction Gas Graph Dialog Box, and return
to the ICP-MS Tuning-Reaction Gas Window.
16)Input the flow rate of He gas determined in step 14) in the He Gas Text Box in
the Tuning Parameters. The optimization of He gas is now complete.
The blank solution can be measured before the tuning solution.
Previous data will be overwritten once the Ramp Flow starts. To keep the previous
data, print the graph and save the table beforehand.
He mode is effective to decrease polyatomic ions produced from a sample matrix
such as ClO, NaAr, and ArCl.
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