Thermal ionization mass spectrometer designed for precision and sensitivity. Incorporates 1013 Ω Amplifier Technology, multicollector flexibility, and RPQ lenses for high abundance sensitivity.
Specifications
- Category: Inorganic and Isotopic Mass Spectrometry
- Technique: TIMS
- Manufacturer: Thermo Fisher Scientific
- Country: Germany
- Available: Active
Specifications
Thermal ionization mass spectrometer designed for precision and sensitivity. Incorporates 1013 Ω Amplifier Technology, multicollector flexibility, and RPQ lenses for high abundance sensitivity.
- Status: Active
- Country: Germany
- Isotopic: Yes
- Analyte Type / Target Of Analysis: Thermoionizing elements (Sr, Nd, Os, Pb, U, and others)
- Measurable Isotopes/Elements: 87Sr/86Sr, 143Nd/144Nd, 234U/238U, 206Pb/204Pb, and others
- Analyzer Type: Magnetic Sector MS
- Ion Source Type: Thermal ionization
- Signal Stability / Relative Standard Deviation: <0.005% over extended measurement periods
- Inlet Types: filament sample turret with single and double filament options, optional preheat system
- Mass Resolution/ Mass Resolving Power: >450 (10% valley definition)
- Multicollector: Yes
- Collectors Qty: 9 Faraday cups (movable) and up to 8 ion counters (SEM/CDDs)
- Sensitivity: High sensitivity with dynamic range from 1 cps to 30 Gcps using 10¹³ Ω amplifiers and SEM detectors
- Abundance Sensitivity: Standard: <2 ppm at 238U; With RPQ lenses: <2 × 10⁻⁸ for extreme isotope ratios
- Dynamic Range: 12 orders of magnitude; 1 cps−30 Gcps
- Detection Limits: Sub-ppm levels for trace isotopes
- Precision: Better than 0.01% for U-Pb geochronology; 87Sr/86Sr: ±0.005‰
- Detector Type: Faraday cups, discrete dynode Secondary Electron Multipliers (SEM), and Compact Discrete Dynode Detectors (CDD)
- Possible Amplifiers: 10¹¹ Ω (standard), 10¹³ Ω Amplifier Technology; software-controlled gain calibration with tau correction
- Sample Turret: 21-position turret with motorized and manual adjustment options
- Geometry Type: Double-focusing magnetic sector geometry
- Focusing Type: Stigmatic focusing with dynamic zoom optics
- Magnetic Sector Radius/ Angle: 230 mm radius; 90° deflection
- Cooling System: Water-cooled magnet system; air-cooled electronics
- Vacuum System: Turbo molecular pumps, ion-getter pumps, cryogenic pump options for rapid pump down
- Gas Supply: Optional gas bleed valve for specific isotopic systems
- Power Specifications: 230 V, 50/60 Hz
- Environmental Specifications: Operating temperature: 18–25°C; Humidity: <60%
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