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Instrument Database:
Finnigan MAT - ELEMENT (I)
( Thermo Scientific )
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| Year of introduction |
1993 |
| Status |
historical ( out of sale ) |
| Company |
Finnigan MAT
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| Categories |
Mass spectrometer: ICP-MS
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First generation double focusing sector field ICP-MS instrument.
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| Specifications |
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Dimensions (w x d x h in cm)
| 220 x 88 x 139
| Weight (kg)
| 750 | Power
| 3-phase, 230/400 V, 50/60 Hz, 32A per phase, 9 kVA | | Mass filter | Magnetic sector | | Mass range | 2-260 | | Resolution | 300, 3000, 7500 (computer controlled slit system) | | Detector | Dual electron multiplier analogue/ion counting | Dynamic range (orders of magnitude)
| 9 | Background level
| < 0.1 cps | | Scanning rate | full mass range < 600 ms | | Vacuum system | 5-stage differentially pumped system; 1 rotary pump, 4 turbo pumps | | ICP generator | crystal controlled, automatic impedance matching, solid-state | Frequency (MHz)
| 27.12 | Power (Watt)
| 2000 | Load coil
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| | Torch | demountable | Argon flow (L/min)
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| | Sample introduction | demountable Meinhard nebulizer, water-cooled spray chamber | | Operating system and software | Windows NT | | Computer | Pentium | | Short term precision (RSD for 10 replicates) | 2 % | | Long term precision (RSD for 4 hours) |
| | Sensitivity (Mcps/ppm) | 20 at R=300; 1 at R=3000 | | Detection limits (3s, ng/L) | < 0.1 for In at R=300 | Isotope ratio precision (RSD for Ag-107/Ag-109)
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| Doubly charged Ba ions
| < 0.03 | | Ce Oxide ions | < 0.01 |
Accessories
| Glow-discharge ion source, USN, ETV, UV laser ablation, organic matrix inlet, MCN, DIN, hydride genertator, flow injection | | Special features | Source and interface at ground potential, high-efficiency scanning by SynchroScan, where both the magnet and the electrostatic fields are changed simultaneously to mimic the peak-hopping of quadrupole-based instruments; moveable plasma box |
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