ICP-MS (Inductively Coupled Plasma Mass Spectrometry) is a type of mass spectrometry that is highly sensitive and capable of simultaneous determination of a range of elements at below one part in 1012. It is based on coupling together an inductively coupled plasma as an ion source with a mass spectrometer as a detection system for ions.
The ions generated within the plasma at atmospheric pressure are extracted through a series of cones into the vacuum chamber of a mass spectrometer, usually a quadrupole. Other mass analyzers coupled to ICP systems include double focusing magnetic-electric sector systems with both single and multiple collector, as well as time-of-flight (TOF) systems (both with axial and orthogonal accelerators). In any case the ions are separated on the basis of their mass-to-charge ratio and a detector receives an ion signal proportional to the concentration.
The concentration of a sample can be determined through calibration with elemental standards (external calibration). Accuracy and precision can be enhanced by using internal standards and rationing the measurements against these. ICP-MS also lends itself to quantitative determinations through isotope dilution analysis, a single point method based on an isotopically enriched standard.

The term "ICP-MS" was found in the following pages:

Directory of scientists: Grethe Wibetoe
Instrument database: Sherba Analytical Lab Products Inc. - USN-700 SERIES ULTRASONIC NEBULIZERS
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Component database: CPI International - ICP-MS Cones
Component database: Glass Expansion - ICP Fully Demountable Torches
Impressions from the European Winter Conference on Plasma Spectrochemistry that took place February 3-8, 2017 in Pau (France) | EVISA's News
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Instrument database: ProLiquid GmbH - ASX-520
Chemical speciation as a discipline in Analytical Chemistry Definitions
Directory of scientists: Rita Cornelis
Instrument database: Perkin-Elmer SCIEX - ELAN 6000
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Company database: Burgener Research Inc.
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Instrument database: Varian Inc. - VGA-77 Vapor generation accessory
Instrument database: Australian Scientific Instruments Pty. Ltd. - RESOchron
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