HS2022

Small-radius isotope ratio mass spectrometer with dual inlet and continuous flow modes.

• Status: Active
• Country: United Kingdom of Great Britain and Northern Ireland
• Isotopic: Yes
• Analyte Type / Target Of Analysis: Light stable isotopes (C, N, S, O, H)
• Measurable Isotopes/Elements: H₂, N₂, NO, N₂O, O₂, CO, CO₂, SO, SO₂
• Analyzer Type
  : Magnetic Sector MS
• Ion Source Type: Electron impact
• Signal Stability / Relative Standard Deviation
  : <0.03 ppm/nA/hour
• Inlet Types: Dual inlet, continuous flow, and microvolume systems
• Mass Resolution/ Mass Resolving Power
  : 110 (m/Δm, 10% valley) for N₂, 40 for H₂
• Multicollector
  : Yes
• Collectors Qty
  : Universal triple collectors for simultaneous adjacent masses (28, 29, 30 to 64, 65, 66); dedicated HD detector for m/z 3
• Sensitivity
  : Dual Inlet: <650 molecules CO₂/mass 44 ion; Continuous Flow: <850 molecules CO₂/mass 44 ion
• Abundance Sensitivity
  : <1 ppm for H₂; <5 ppm for N₂; <30 ppm for CO₂ in continuous flow mode; <3 ppm for CO₂ in dual inlet mode
• Detection Limits
  : Sub-ppm levels, depending on the isotopic system and application
• Precision
  : High precision for isotope ratio measurements; internal precision up to 0.01‰ for CO₂ (¹³C and ¹⁸O)
• Detector Type
  : High-efficiency Faraday collectors
• Possible Amplifiers
  : Variable-gain amplifiers with software switchable options
• H3 Factor
  : <5 ppm/nA
• Geometry Type
  : 120° extended magnetic sector geometry
• Focusing Type
  : Double stigmatic focusing for enhanced ion beam precision
• Magnetic Sector Radius/ Angle
  : 11 cm radius; effective 21 cm radius dispersion; additional long spur with 98.8° sector
• Cooling System
  : Integrated system for maintaining thermal stability
• Vacuum System
  : Differentially pumped by drag-stage turbomolecular pumps with backing rotary pump; achieves ultra-high vacuum conditions
• Gas Supply: Supports He, H₂, N₂, CO₂, and other high-purity gases; compatible with continuous flow applications
• Power Specifications: 100-240 VAC; supports global power standards
• Physical Specifications: 70 cm x 82 cm x 80 cm