Perspective

Advanced isotope ratio mass spectrometer.

• Status: Active
• Country: UK
• Isotopic: Yes
• Type of measurable elements: Light stable isotopes (C, N, S, O, H)
• Measurable isotopes/elements: ¹³C/¹²C, ¹⁵N/¹⁴N, ¹⁸O/¹⁶O, ³⁴S/³²S, ²H/¹H, and more
• Analyzer type : Magnetic Sector MS
• Ion source type: Electron impact
• Inlet types: Dual inlet system; continuous flow interface for elemental analyzers, gas chromatography, and water equilibration systems
• Mass range : 2–150 Dalton
• High Resolution : Yes
• Mass resolution/ Mass resolving power : >200 (10% valley)
• Multicollector : Yes
• Collectors qty : Up to 12 Faraday collectors for simultaneous ion beam collection
• Sensitivity : Dual inlet: <600 molecules/ion for CO₂ (mass 44);
• Detection limits : Sub-ppm levels
• Precision : ±0.06‰ for 13C and 15N; ±0.2‰ for 2H
• Detector type : High-efficiency Faraday detectors
• Possible amplifiers : Capable of measuring signals up to 55 V with dedicated preamplifiers
• Acceleration voltage : 8 kV
• H3 Factor : <10 ppm/nA with ≤0.03 ppm/nA/hour
• Geometry type : Extended geometry for high resolution
• Focusing type : Variable Zoom Optics for fixed collector configurations
• Magnetic sector radius/ angle : 240 mm/ 75 deg
• Cooling system : Water-cooled system
• Vacuum system : Differentially pumped system with turbomolecular and rotary pumps
• Gas supply: Helium, oxygen, and other gases based on analytical requirements