Phoenix

High-precision thermal ionization mass spectrometer (TIMS) designed for isotope ratio analysis of non-gaseous elements. Incorporates ATONA® amplification technology for exceptional sensitivity, stability, and precision.

• Status: Active
• Country: UK
• Isotopic: Yes
• Type of measurable elements: Thermoionizing elements (Sr, Nd, Os, Pb, U, and others)
• Measurable isotopes/elements: 87Sr/86Sr, 143Nd/144Nd, 235U/238U, and others
• Analyzer type : Magnetic Sector MS
• Ion source type: Thermal ionization
• Inlet types: Thermal ionization filament loading system
• Mass range : Up to 325 amu
• Mass resolution/ Mass resolving power : >450
• Multicollector : Yes
• Collectors qty : 9 motorized Faraday collectors (standard), optional 6 multiple ion counters (MICs)
• Sensitivity : from low cps to nanoampere levels
• Abundance sensitivity : <2 ppm for 237U relative to 238U; with WARP option: <0.02 ppm (20 ppb)
• Dynamic range : 12 orders of magnitude
• Detection limits : Sub-ppm levels for trace isotopic analysis
• Precision : Better than 0.01% for uranium isotope ratio measurements; 87Sr/86Sr: ±0.005‰
• Signal stability, relative standard deviation : <0.005% over 5 hours
• Detector type : Faraday cups, Daly detector, and optional secondary electron multipliers (SEM)
• Possible amplifiers : ATONA® technology, dynamic range up to 100 V equivalent with no resistor decay
• Acceleration voltage : 10 kV
• Sample turret : 20-position turret
• Geometry type : Double-focusing magnetic sector geometry
• Focusing type : Stigmatic focusing for optimal ion beam transmission
• Magnetic sector radius/ angle : 270 mm radius; 90° deflection
• Vacuum system : High-capacity turbo molecular pumps (Pfeiffer HiPace 700 and optional HiPace 300), with ion-getter pumps
• Gas supply: Oxygen bleed option for negative ion analysis
• Power Requirements and Consumption : 110–240 V, 50/60 Hz