Astrum
TIMS
- High-precision thermal ionisation for radiogenic isotope analysis
- Multiple filament turret for high sample throughput
- Simultaneous and peak-jumping data acquisition modes
- Exceptional long-term stability and reproducibility
- Fully automated with unattended operation
Product Overview
The Nu Instruments Astrum is a thermal ionisation mass spectrometer (TIMS) designed for high-precision isotope ratio measurements of elements that can be thermally ionised from a heated filament. Incorporating Nu’s established ion optics and detection technologies, the Astrum delivers publication-quality data for radiogenic isotope systems including Sr, Nd, Pb, U and other elements.
The Astrum is widely used in geochronology, geochemistry, nuclear safeguards and environmental tracing applications. Its multi-filament turret, automated operation and excellent thermal stability make it suitable for laboratories requiring high throughput and the highest precision isotope ratio measurements.
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Technical Specifications
| Technique | Thermal Ionisation Mass Spectrometry (TIMS) |
| Ion Source | Single, double and triple filament assemblies |
| Filament Turret | 21 sample positions (motorised) |
| Collectors | Multi-Faraday + ion counters |
| Mass Range | 6–300 amu |
| Accelerating Voltage | 10 kV |
| Detection | Faraday cups, Daly ion counters |
| Vacuum | Turbomolecular pumped |
| Data Acquisition | Static, dynamic, peak-jumping |
| Software | Nu Instruments Analyst |
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