Neptune Plus

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

• Status: Discontinued
• Country: Germany
• Isotopic: Yes
• Elemental: Yes
• Type of measurable elements: 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
• Inlet types: Laser ablation, gas chromatography, liquid chromatography, autosamplers
• Mass range : 4–310 amu
• 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
• Signal stability, relative standard deviation : <2% over one hour
• Detector type : Faraday cups and discrete dynode electron multipliers
• Possible amplifiers : Virtual amplifiers with selectable 10¹⁰, 10¹¹, and 10¹² ohm resistors
• Acceleration voltage : 10 kV
• Reaction cell system : Yes
• Reaction cell system details: RPQ lens for isobaric interference reduction with high transmission
• High Matrix Introduction system : 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
• RF generator frequency : 27.12 MHz
• RF generator power : 1.6 kW
• 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
• Environmental requirements : Temperature: 18–24°C; humidity: 50–60%, non-condensing
• Dimensions and Weight: 2450х 1890х 1740, 2200 kg