4
Upgrade Equipment
EI/CI Ion Volume
436
TSQ 9000 Hardware Manual
Thermo Scientific
EI/CI Ion Volume
If you want to acquire data in both EI and CI modes, the EI/CI Ion volume allows you to do
this. The performance will be lower with the combined ion volume than with the dedicated
EI or CI ion volumes, in EI and positive CI modes. Tune the instrument with the dedicated
ion volumes before using the combined ion volume. In some cases, negative CI performance
is enhanced with the combined EI/CI ion volume and tuning is possible in negative CI mode.
The EI/CI ion volume has two small electron holes. To install a combination EI/CI ion
volume, follow the steps in the
section of this manual.
Figure 469.
Ion Volumes Available for the TSQ 9000 Mass Spectrometer
IMPORTANT
Always wear clean, lint-free gloves when handling the ion source cartridge.
Figure 468.
EI/CI Ion Source Cartridge Components
Ion Volume
Locking Ring
Repeller
Lens 1
Lens 2
Lens 3/RF Lens
Ion Cartridge
Sleeve
Ion Volume
Repeller Spring
Repeller
Nut
Ion
Volume-Repeller
Insulator
EI Ion Volume
CI Ion Volume
EI/CI Ion Volume
Содержание TSQ 9000
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