Operating in Electron Ionization (EI) Mode
3
5977 Series MSD Operation Manual
61
To Set Analyzer Temperatures from the Instrument Control View
Setpoints for the MSD ion source and mass filter (quad) temperatures are
stored in the current tune (*.u) file. When a method is loaded, the setpoints in
the tune file associated with that method are downloaded automatically.
Procedure
1
In
Instrument Control
view, select
MS Temperatures
from the
Instrument
menu.
2
Enter the
MS Source
and
MS Quad
(mass filter) temperatures in the
Setpoint
and
Limit
fields. See
The GC/MSD interface, ion source, and quadrupole heated zones interact.
The analyzer heaters may not be able to accurately control temperatures if
the setpoint for one zone is much different from that of an adjacent zone.
Table 12
Recommended temperature settings
EI operation
PCI operation
NCI operation
MS Source
230
250
150
MS Quad
150
150
150
C A U T I O N
Do not exceed 200
°C for the quadrupole or 350
°C for the source.
Содержание G7035A
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Страница 114: ...114 5977 Series MSD Operation Manual 4 Operating in Chemical Ionization CI Mode Figure 19 NCI autotune ...
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