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Instrument Database:
SPECTRO Analytical Instruments Inc. - SpectroMass 2000
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| Year of introduction |
1997 |
| Status |
historical ( out of sale ) |
| Company |
SPECTRO Analytical Instruments Inc.
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| Categories |
Mass spectrometer: ICP-MS
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| Specifications |
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Dimensions (w x d x h in cm)
| 169 x 74 x 131
| Weight (kg)
| | Mass filter
| Quadrupole, cylindrical rods, 30 cm x 1.6 cm, Mo | | Mass range |
| Resolution
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| Detector
| SEM + Faraday cup | Dynamic range (orders of magnitude)
| 8 (SEM); 12 SEM + Faraday cup | Abundance sensitivity
| 107 at higher mass side; 106 at lower mass side | Background level
| < 10 cps at mass 8 and 230 | | Scanning rate |
| Vacuum system
| 3 stages: 1 rotary pump, 2 turbomolecular pumps backed by 1 membrane pump | | ICP generator | free-running, water-cooled | | Frequency (MHz) | 27.12 | Power (Watt)
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| | Load coil | grounded | Torch
| partially demountable with injectors of various i.d. | Argon flow (L/min)
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| Sample introduction
| water-cooled spray chamber, selection of nebulizers (Meinhard, V-groove, cross-flow) | Operating system and software
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| Computer
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| Short term precision (RSD for 10 replicates)
| < 2% | Long term precision (RSD for 4 hours)
| < 2% Rh, < 3% Mg, U | Sensitivity (Mcps/ppm)
| > 8 Mg, > 30 Rh, > 12 Tl | Detection limits (3s, ng/L)
| <1 Rh, <2 Co, Ba,Bi, < 3 Be | | Isotope ratio precision (RSD for Ag-107/Ag-109) | < 0.2 % | Doubly charged Ba ions
| 1% (Ce++/Ce+) | | Ce Oxide ions | < 1% | | Accessories | USN, MCN, FIA, HPLC, ETV, LA, spark ablation | | Special features |
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