High-performance stable isotope ratio mass spectrometer (IRMS) with 10 kV technology for precise isotope analysis. Features: an "extra bright" ion source, wide mass range, and advanced amplifier technology.
Specifications
- Category: Inorganic and Isotopic Mass Spectrometry
- Technique: IRMS
- Manufacturer: Thermo Fisher Scientific
- Country: Germany
- Available: Active
Specifications
High-performance stable isotope ratio mass spectrometer (IRMS) with 10 kV technology for precise isotope analysis. Features: an "extra bright" ion source, wide mass range, and advanced amplifier technology.
- Status: Active
- Country: Germany
- Isotopic: Yes
- Analyte Type / Target Of Analysis: Light stable isotopes (C, N, S, O, H)
- Measurable Isotopes/Elements: ²H/¹H, ¹³C/¹²C, ¹⁵N/¹⁴N, ¹⁸O/¹⁶O, ³⁴S/³²S, ²⁸Si/²⁹Si, Ar, Kr, Xe, CO₂, and N₂ isotopologues
- Analyzer Type: Magnetic Sector MS
- Ion Source Type: Electron impact
- Signal Stability / Relative Standard Deviation: <10 ppm on the mass scale
- Inlet Types: Dual inlet, continuous flow, multiport inlet systems, and microvolume inlet
- High Resolution: Yes
- Mass Resolution/ Mass Resolving Power: Mass resolution >200, Mass resolving power >900 (m/Δm, 10% valley)
- Multicollector: Yes
- Collectors Qty: Up to 12 Faraday cups with advanced shielding
- Sensitivity: High sensitivity with dual inlet: 600 molecules CO₂ per m/z 44 ion; Continuous flow: 900 molecules CO₂ per m/z 44 ion
- Abundance Sensitivity: Contribution of m/z 44 intensity to m/z 45 is less than 2 × 10⁻⁶
- Dynamic Range: Greater than 10⁷ with software-controlled gain switching
- Detection Limits: Sub-ppm detection limits, dependent on isotope system
- Precision: High precision for isotope ratio measurements (e.g., ¹³C: ±0.005‰ internal, ±0.01‰ external)
- Detector Type: Deep-shielded Faraday cups and secondary electron multipliers (SEM)
- Possible Amplifiers: 10¹⁰ Ω, 10¹¹ Ω, 10¹² Ω, 10¹³ Ω (optional), software-switchable
- H3 Factor: H₃⁺ factor stability <0.03 ppm/nA/h
- Geometry Type: Double-focusing magnetic sector field
- Focusing Type: Stigmatic focusing in both x- and y-directions
- Magnetic Sector Radius/ Angle: 230 mm/ 90 deg
- Cooling System: Air-cooled ion source; external cooling system for vacuum interface
- Vacuum System: High vacuum system with turbomolecular pump and rotary forevacuum pump
- Gas Supply: High-purity Argon; supports additional gases for specific applications
- Power Specifications: 230/400 V, 50/60 Hz, approx. 2.5–4.5 kW during operation
- Environmental Specifications: Temperature: 18–24°C; Humidity: 40–60%, non-condensing
- Physical Specifications: 135 cm x 101 cm x 136 cm; Weight: ~680 kg
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