Introduction 1
Troubleshooting and Maintenance Manual 9
MRM Multiple reaction monitoring
MS Mass spectrometer
MS1 Front quadrupole
MS2 Rear quadrupole
NCI Negative chemical ionization
OFN Octafluoronaphthalene (sample)
PCI Positive chemical ionization
PFDTD Perfluoro-5,8-dimethyl-3,6,9-trioxydodecane (calibrant)
PFTBA Perfluorotributylamine (calibrant)
QQQ Triple quadrupole
Quad Quadrupole mass filter
RF Radio frequency
RFPA Radio frequency power amplifier
Torr Unit of pressure, 1 mm Hg
Turbo Split flow turbomolecular vacuum pump
Table 1 Abbreviations (continued)
Abbreviation Definition