Inductively coupled plasma mass spectrometers (ICP-MS) utilize inductively coupled plasma for sample ionization and an MS for ion separation and quantification. The low detection limits and high productivity possible with ICP-MS are particularly useful for trace metal analysis and environmental testing. Common components of an ICP-MS system include a sample introduction system, an ion source, a vacuum system, a collision reaction cell, ion optics, a mass spectrometer (often a quadrupole), and a detector. An analytical working range of nine orders of magnitude, detection limits below the ppt range, and aptitude for isotopic analysis are hallmarks of ICP-MS. ICP-MS instruments are commonly configured for routine analyses, high-matrix interference samples, or specific applications, such as work in the semiconductor industry or medical and forensic toxicology fields. Also, be sure to consider any desired customization options, such as chromatographic coupling or use with organic solvents.
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| Company | Nu Instruments | Nu Instruments |
| Item | Plasma 3 MC-ICP-MS | Attom ES ICP-MS |
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| Description | Plasma 3 is a third-generation MC-ICP-MS using a double-focusing forward Nier-Johnson geometry (electrostatic analyser followed by laminated magnet) at ground potential. It features a variable-dispersion Zoom Optics system for instantaneous switching between collector configurations and supports Plasma 3 is a third-generation MC-ICP-MS using a double-focusing forward Nier-Johnson geometry (electrostatic analyser followed by laminated magnet) at ground potential. It features a variable-dispersion Zoom Optics system for instantaneous switching between collector configurations and supports simultaneous measurement of isotopes from lithium to the actinide series. The collector array accommodates 16 Faraday cups and up to 6 ion-counting detectors (SEM or Daly); abundance sensitivity is <2 ppm at –1 amu relative to 238U with the standard deceleration filter.... Read More | The Attom ES is a double-focusing, single-collector HR-ICP-MS with the analyser and sample introduction system at ground potential. It uses a laminated magnet with FastScan electrostatic deflector optics to cover up to 40% of a given mass range without changing the magnetic field. A unique patented The Attom ES is a double-focusing, single-collector HR-ICP-MS with the analyser and sample introduction system at ground potential. It uses a laminated magnet with FastScan electrostatic deflector optics to cover up to 40% of a given mass range without changing the magnetic field. A unique patented detector attenuation system extends the pulse-counting multiplier to 9 orders of magnitude dynamic range; an optional Faraday detector extends this to 12 orders.... Read More |
| Optical System | Double-focusing forward Nier-Johnson geometry (electrostatic analyser + laminated magnet); ground-potential analyser; variable-dispersion Zoom Optics; Enhanced Sensitivity Interface (ES) as standard; optional Enhanced Abundance Transfer Optics (EATO, UK Patent GB 2545670); abundance sensitivity <2 ppm at –1 amu relative to 238U (standard deceleration filter), <0.5 ppm post-filter, <1 ppm with EATO pre-filter, <0.05 ppm with EATO post-filter | Double-focusing magnetic sector (electrostatic analyser + laminated magnet); forward Nier-Johnson geometry; ground-potential analyser; FastScan electrostatic deflector optics covering up to 40% of mass range; three fixed-slit resolution modes: low (~300 M/?M), medium (~4,000 M/?M), high (>10,000 M/?M) |
| Mass Analyzer | Multi-collector double-focusing magnetic sector; 16 Faraday cups + up to 6 ion-counting detectors (SEM or Daly); mass range lithium to actinide series | Single-collector double-focusing magnetic sector; mass range 1–260 u |
| Dynamic Range | Inquire | 9 orders of magnitude (pulse-counting multiplier with patented beam attenuation); 12 orders of magnitude with optional Faraday detector |
| Applications | Earth sciences, geochronology, geochemistry, environmental science, nuclear research, archaeology, forensics, biochemistry, biomedical science | Laser ablation imaging, nanoparticle analysis, isotope ratio measurements, trace element quantification, nuclear analysis, geochemistry, environmental monitoring |
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