SIRIX

High-performance large-radius isotope ratio mass spectrometer (IRMS) featuring advanced ion optics and ATONA® amplification technology. Designed for isotopologue analysis and high-precision carbonate measurements.

• Status: Active
• Country: UK
• Isotopic: Yes
• Type of measurable elements: Light stable isotopes (C, N, S, O, H)
• Measurable isotopes/elements: ¹³C/¹²C, ¹⁸O/¹⁶O, ²H/¹H, and CO₂ isotopologues at m/z 44, 45, 46, 47, 48, 49
• Analyzer type : Magnetic Sector MS
• Ion source type: Electron impact
• Inlet types: Dual inlet with adjustable sample and reference gas bellows
• High Resolution : Yes
• Mass resolution/ Mass resolving power : m/Δm>500
• Multicollector : Yes
• Collectors qty : Up to 9 individually motorized Faraday collectors on the same focal plane
• Sensitivity : High sensitivity enabled by ATONA® amplification for dynamic signals ranging from 1×10−7 to 1×10−17 A
• Abundance sensitivity : Exceptional performance for resolving minor isotopes like 48CO2/44CO2 to better than 10 ppm
• Detection limits : Sub-ppm levels
• Precision : Better than 10 ppm for 48CO2/44CO2​ within 100 minutes
• Signal stability, relative standard deviation : 1 ppm over 40 hours
• Detector type : Narrow Faraday collectors with ATONA amplification
• Possible amplifiers : ATONA® technology eliminates the need for traditional resistors, enabling high dynamic range and low noise
• Geometry type : 90° magnetic sector with 27 cm radius
• Focusing type : Advanced ion optics with high mass dispersion
• Magnetic sector radius/ angle : 27 cm radius
• Cooling system : Air-cooled system
• Vacuum system : Differentially pumped system with dual turbo pumps and ion pumps
• Gas supply: Helium, carbon dioxide, and other gases depending on application requirements