Introduction 1
5977 Series MSD Operation Manual 11
Abbreviations Used
The abbreviations in Table 2 are used in discussing this product. They are
collected here for convenience.
Table 2 Abbreviations
Abbreviation Definition
AC Alternating current
ALS Automatic liquid sampler
BFB Bromofluorobenzene (calibrant)
CI Chemical ionization
DC Direct current
DFTPP Decafluorotriphenylphosphine (calibrant)
DIP Direct insertion probe
DP Diffusion pump
EI Electron ionization
EM Electron multiplier (detector)
EMV Electron multiplier voltage
EPC Electronic pneumatic control
eV Electron volt
GC Gas chromatograph
HED High-energy dynode (refers to detector and its power supply)
id Inside diameter
LAN Local Area Network
LCP Local control panel (on the MSD)
m/z Mass to charge ratio
MFC Mass flow controller
MSD Mass selective detector
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