Abstract
A survey is given of the physical differences between the operation of the ICP used in AES and MS and the consequent differences in behaviour of the instrumentation resulting from the choice of atomic emission or mass spectrometry are discussed. Analytical performance is described in terms of detection limits, spectroscopic and non-spectroscopic interferences and matrix effects, and illustrated with some early comparative analytical studies recently completed. The conclusion is drawn that while yet a comparatively immature technique alongside ICP-AES, ICP-MS shows great promise as a multielement ultratrace analytical technique once it is widely understood and practiced. It is seen as a technique that complements and extends the older ICP spectrometries of AES and AFS rather than one which, except in a few cases, supercedes them.
Published Version
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