1Introduction
Abbreviations Used
16 5977B Series MSD Operating Manual
m/z Mass-to-charge ratio
MFC Mass flow controller
MSD Mass selective detector
NCI Negative CI
OFN Octafluoronaphthalene (calibrant)
PCI Positive CI
PFDTD Perfluoro-5,8-dimethyl-3,6,9-trioxydodecane (calibrant)
PFHT 2,4,6-tris(perfluoroheptyl)-1,3,5-triazine (calibrant)
PFTBA Perfluorotributylamine (calibrant)
Quad Quadrupole mass filter
RF Radio frequency
RFPA Radio frequency power amplifier
SS Stainless steel
Torr Unit of pressure, 1 mm Hg
Turbo Turbomolecular (pump)
WUI Web user interface
XTR EI Extractor source
Table 2 Abbreviations (continued)
Abbreviation Definition
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