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As a first step in the establishment of compromise conditions for multielement analysis by inductively coupled plasma (ICP) emission spectrometry, the effects of three critical ICP operating parameters on atomic and ionic emission of elements of interest were investigated in detail.
The line/background ratios for both atom and ion lines were found to be very sensitive to (1) the aerosol Ar flow rate, (2) the observation height, and (3) the power, and optimum conditions for ion lines were often quite different from those for atom lines. In addition to assisting in the
eventual choice of compromise ICP operating conditions for simultaneous multielement analysis, the results emphasize the importance of precise control of these critical parameters in analytical applications of the ICP.
Analytical Chemistry Section, Division of Chemistry, National Research Council of Canada, Ottawa, Canada K1A 0R9
Publication date: July 1, 1978
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)