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1
Introduction
Abbreviations Used
7000/7010 Series TQ GC/MS Operating Manual
15
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)
Quad
Quadrupole mass filter
RF
Radio frequency
RFPA
Radio frequency power amplifier
Torr
Unit of pressure, 1 mm Hg
TQ
Triple Quad (quadrupole)
Turbo
Split flow turbomolecular vacuum pump
XTR
EI Extractor source
Table 1
Abbreviations (continued)
Abbreviation
Definition