5 Maintenance
Checking and filling the calibrant bottle - weekly
Agilent Triple Quadrupole LC/MS System User Guide 92
Checking and filling the calibrant bottle - weekly
Schedule
Perform this procedure monthly or weekly if you tune the instrument frequently,
or if the calibrant has expired.
Equipment List
• APCI calibrant
• APCI-L tuning mix
• ESI-L tuning mix
• MMI-L tuning mix
• Reference mix
• Clean powder-free nitrile gloves
Steps for checking calibrant levels
1 Check to make sure that enough tuning mix is present to immerse the end of
the intake tube.
2 If the tuning mix level is within a few millimeters of the end of the intake tube,
refill the calibrant bottle.
Steps for refilling the calibrant bottle
1 Rinse the calibrant bottle once with water, then twice with ACN before refilling.
Dispose of rinsing agents appropriately.
2 Label the calibrant bottle with the tuning mix expiration date.
3 Refill the calibrant bottle with the appropriate tuning mix.
4 Put the intake tube into the calibrant bottle as you lift the calibrant bottle into
position.
Do not touch the intake tube unless you are wearing clean gloves.
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