Noblesse HR

High-resolution noble gas mass spectrometer optimized for isotopic and elemental analysis. Features a patented Zoom Optics system for flexibility and precision, enhanced resolving power for isobaric interference removal, and advanced multicollector capabilities for simultaneous isotopic measurements.

• Status: Active
• Country: UK
• Isotopic: Yes
• Type of measurable elements: Noble gases
• Measurable isotopes/elements: Isotopes of 3He, 4He, 20Ne, 40Ar, 129Xe, and others
• Analyzer type : Magnetic Sector MS
• Ion source type: Electron impact
• Inlet types: Fully metal-sealed sample preparation system with automated valves and cryogenic traps
• High Resolution : Yes
• Mass resolution/ Mass resolving power : RP >3500
• Multicollector : Yes
• Collectors qty : Configurable; up to 5
• Sensitivity : Argon: 0.65 A/bar; enhanced sensitivity with optimized settings
• Abundance sensitivity : <1 ppm< for 40Ar/36Ar
• Dynamic range : 9 orders of magnitude
• Detection limits : Sub-ppb levels for trace isotopes
• Signal stability, relative standard deviation : <50 ppm drift over 30 minutes
• Detector type : Faraday detectors and discrete dynode electron multipliers
• Possible amplifiers : 10¹⁰, 10¹¹, and 10¹² Ω resistors; user-configurable
• Acceleration voltage : 9 kV
• Background : 800 counts/s for 40Ar and 5 counts/s for 36Ar 5 minute static measurement
• Geometry type : Extended geometry with 75° magnetic sector
• Focusing type : Variable dispersion single focusing with patented Zoom Optics
• Magnetic sector radius/ angle : 24 cm radius; 75° deflection
• Cooling system : Water cooling for pumps; liquid nitrogen for sample preparation system
• Vacuum system : Turbo molecular and ion-getter pumps with bake-out capabilities
• Gas supply: High-purity noble gases