MAT 262

Retired high-precision thermal ionization mass spectrometer. Features a single-stage magnetic sector analyzer with stigmatic ion beam focusing

• Status: Discontinued
• Country: USA
• Isotopic: Yes
• Type of measurable elements: Thermoionizing elements (Sr, Nd, Os, Pb, U, and others)
• Measurable isotopes/elements: Uranium isotopes, strontium, neodymium, lead, and other elements
• Analyzer type : Magnetic Sector MS
• Ion source type: Thermal ionization
• Inlet types: filament-based sample introduction system with sample turret
• Mass range : 3-280 amu
• Mass resolution/ Mass resolving power : Resolution at 10% peak height: 500
• Multicollector : Yes
• Collectors qty : Up to 9 Faraday collectors with one secondary electron multiplier (SEM)
• Sensitivity : Optimized for trace uranium detection
• Abundance sensitivity : <1 ppm for background ion signals
• Precision : Dynamic mode: ±0.01% for 235U/238U; Static mode: ±0.002%
• Signal stability, relative standard deviation : ±0.003% over 30 minutes
• Detector type : Faraday cups and SEM for dynamic and static measurements
• Possible amplifiers : High-stability amplifiers with noise suppression technology
• Sample turret : 13-position automated sample turret
• Geometry type : Single-stage double-focusing magnetic sector geometry
• Focusing type : Stigmatic ion beam focusing
• Magnetic sector radius/ angle : 640 mm; Deflection angle: 26.5°
• Vacuum system : High-capacity oil-free turbo molecular pump and ion getter pumps
• Power Requirements and Consumption : 220 V AC, ±15%, 50/60 Hz
• Environmental requirements : Temperature: +18°C to +28°C; Humidity: 20–70% (non-condensing); Rate of temperature change: ≤1°C per hour
• Dimensions and Weight: Dimensions: 1700 mm x 2400 mm x 1750 mm; Weight: 800 kg