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1
Introduction
Abbreviations Used
14
7000/7010 Series TQ GC/MS Operating Manual
Abbreviations Used
are used in discussing this product. They are
collected here for convenience.
Table 1
Abbreviations
Abbreviation
Definition
AC
Alternating current
ALS
Automatic liquid sampler
CC
Collision cell
CI
Chemical ionization
CID
Collision induced dissociation
CSB
Ceramic source board
DC
Direct current
EI
Electron impact
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)
HES
High Efficiency Source
id
Inside diameter
Inert
Standard EI source constructed of inert materials
LAN
Local Area Network
LCP
Local control panel
m/z
Mass-to-charge ratio
MFC
Mass flow controller
MRM
Multiple reaction monitoring
MS
Mass spectrometer