1. Sample introduction
1) Peristaltic pump
- Sofrware controlled 12 roller,
4channel mini pump 2) Spray chamber
- Baffled cyclonic, high purity
quartz, PFA spary chamber
3) Peltier cooler
- Software control in range -10¡ÆC to
+20¡ÆC
2. Plasma ion source
1) RF generator
- Digital, solid state RF
generator, ~27MHz
- RF power range : 400W to 1600W
(default hot plasma power 1550W)
2) Addition mass flow controllers
- Capacity for two further MFCs
for gas, dilution
3) Plasma TV
- HD camera for remote monitering of
plasma status
3. Ion optics
1) RAPID lens
- 90¢ª ion lens operating at a single
fixed voltage
4. Collision / Reaction Cell
1) QCell
- Non-consumable, zero
maintenance
- Automatic low mass cut off
2) Standard MFC
- Pure He collision gas 3) Optional MFC
- Reaction gas mixtures
: O2, NH3/He, H2/He
5. Quadrupole Mass Analyzer
1) Field
- Virtual hyperbolic
2) Mass range
- 2-290 u
3) Abundance sensitivity
- <0.5 ppm at m-1 (m= 238U)
6. Ion Detection System
1) Detector
- Dual mode discrete dynode
electron multiplier
- Simultaneous pulse/analog over
four orders of magnitube
2) Minimum dwell time
- 100us in pulse and analog
|