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5
Maintenance
Atmospheric Pressure Chemical Ionization (APCI) source
8 checktuneConnect the heater cable.
9 Connect the corona needle voltage cable.
10 Connect the sample nebulizer gas tubing.
11 Connect the nebulizer sample line.
In the MassHunter Data Acquisition program
1 Select the new source.
2 Turn on the LC/MS instrument. While you wait for the set points to equilibrate,
prepare and install the calibrant for the new source.
3 Rinse a clean calibrant bottle with LC/MS-grade acetonitrile.
4 Pour the APCI Calibrant into the calibrant bottle.
5 Install the calibrant bottle into the calibrant delivery system.
When all set points are equilibrated
1 In the tune view or context, turn on the calibrant.
2 Purge the calibrant line for 5 minutes.
3 Do a complete autotune. If an autotune is not available, do a checktune. If the
tune report does not show good results, tune the instrument. If needed,
change the source to one that supports autotune.
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Agilent Triple Quadrupole LC/MS System User Guide
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