MAT 262

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

• Status: Inactive
• Country: United States of America
• Isotopic: Yes
• Analyte Type / Target Of Analysis: 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
• Signal Stability / Relative Standard Deviation
  : ±0.003% over 30 minutes
• Inlet Types: filament-based sample introduction system with sample turret
• 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%
• 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 Specifications: 220 V AC, ±15%, 50/60 Hz
• Environmental Specifications: Temperature: +18°C to +28°C; Humidity: 20–70% (non-condensing); Rate of temperature change: ≤1°C per hour
• Physical Specifications: Dimensions: 1700 mm x 2400 mm x 1750 mm; Weight: 800 kg