Neptune Plus

Retired multicollector ICP-MS optimized for isotopic and elemental analysis.

• Status: Inactive
• Country: Germany
• Isotopic: Yes
• Elemental: Yes
• Analyte Type / Target Of Analysis: Metals and non-metals
• Measurable Isotopes/Elements: U, Pb, Hf, Nd, Sr, and more, including Li isotopes and actinides
• Analyzer Type
  : Magnetic Sector MS
• Ion Source Type: Inductively Coupled Plasma
• Signal Stability / Relative Standard Deviation
  : <2% over one hour
• Inlet Types: Laser ablation, gas chromatography, liquid chromatography, autosamplers
• High Resolution
  : Yes
• Mass Resolution/ Mass Resolving Power
  : Up to 10,000
• Multicollector
  : Yes
• Collectors Qty
  : Configurable up to 9 Faraday cups (and 8 ion counters)
• Sensitivity
  : Standard: 7Li: 10 V/ppm; 208Pb: 20 V/ppm; 238U: 40 V/ppm With desolvation: 7Li: 60 V/ppm; 208Pb: 100 V/ppm; 238U: 200 V/ppm
• Abundance Sensitivity
  : <5 ppm for 237/238 without RPQ; <500 ppb with RPQ (transmission >90%)
• Dynamic Range
  : Up to 10¹²
• Detection Limits
  : Sub-ppq levels for specific isotopes (e.g., uranium)
• Precision
  : Sub-ppm precision for isotopic ratios
• Detector Type
  : Faraday cups and discrete dynode electron multipliers
• Possible Amplifiers
  : Virtual amplifiers with selectable 10¹⁰, 10¹¹, and 10¹² ohm resistors
• Reaction Cell System Details: RPQ lens for isobaric interference reduction with high transmission
• High Matrix Introduction System (HMI)
  : optional
• Spray Chamber
  : Peltier-cooled cyclonic spray chamber
• Nebulizer
  : Concentric nebulizer
• Peristaltic Pump
  : Not explicitly mentioned
• Torch
  : Torch with platinum-tipped guard electrode
• Interface
  : Jet Interface with enhanced pumping capacity
• Geometry Type
  : Nier-Johnson geometry
• Focusing Type
  : Double focusing with magnetic and electrostatic sectors
• Magnetic Sector Radius/ Angle
  : 230 mm/ 90 deg
• Electric Sector Radius/ Angle
  : 220 mm/ 90 deg
• Cooling System
  : Water-cooled
• Vacuum System
  : Fully turbo-pumped system with enhanced capacity for Jet Interface
• Gas Supply: High-purity argon and optional collision/reaction gases for RPQ lens
• Reaction Cell System: Yes
• Environmental Specifications: Temperature: 18–24°C; humidity: 50–60%, non-condensing
• Physical Specifications: 2450х 1890х 1740, 2200 kg