Triton XT

Thermal ionization mass spectrometer designed for precision and sensitivity. Incorporates 1013 Ω Amplifier Technology, multicollector flexibility, and RPQ lenses for high abundance sensitivity.

• Status: Active
• Country: Germany
• Isotopic: Yes
• Type of measurable elements: Thermoionizing elements (Sr, Nd, Os, Pb, U, and others)
• Measurable isotopes/elements: 87Sr/86Sr, 143Nd/144Nd, 234U/238U, 206Pb/204Pb, and others
• Analyzer type : Magnetic Sector MS
• Ion source type: Thermal ionization
• Inlet types: filament sample turret with single and double filament options, optional preheat system
• Mass range : 3-310 amu
• Mass resolution/ Mass resolving power : >450 (10% valley definition)
• Multicollector : Yes
• Collectors qty : 9 Faraday cups (movable) and up to 8 ion counters (SEM/CDDs)
• Sensitivity : High sensitivity with dynamic range from 1 cps to 30 Gcps using 10¹³ Ω amplifiers and SEM detectors
• Abundance sensitivity : Standard: <2 ppm at 238U; With RPQ lenses: <2 × 10⁻⁸ for extreme isotope ratios
• Dynamic range : 12 orders of magnitude; 1 cps−30 Gcps
• Detection limits : Sub-ppm levels for trace isotopes
• Precision : Better than 0.01% for U-Pb geochronology; 87Sr/86Sr: ±0.005‰
• Signal stability, relative standard deviation : <0.005% over extended measurement periods
• Detector type : Faraday cups, discrete dynode Secondary Electron Multipliers (SEM), and Compact Discrete Dynode Detectors (CDD)
• Possible amplifiers : 10¹¹ Ω (standard), 10¹³ Ω Amplifier Technology; software-controlled gain calibration with tau correction
• Acceleration voltage : 10 kV
• Sample turret : 21-position turret with motorized and manual adjustment options
• Geometry type : Double-focusing magnetic sector geometry
• Focusing type : Stigmatic focusing with dynamic zoom optics
• Magnetic sector radius/ angle : 230 mm radius; 90° deflection
• Cooling system : Water-cooled magnet system; air-cooled electronics
• Vacuum system : Turbo molecular pumps, ion-getter pumps, cryogenic pump options for rapid pump down
• Gas supply: Optional gas bleed valve for specific isotopic systems
• Power Requirements and Consumption : 230 V, 50/60 Hz
• Environmental requirements : Operating temperature: 18–25°C; Humidity: <60%