Automatic off/on-line preconcentration for ICP-OES: Powerful instrumentation for water analysis |
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| Authors: | Narayanan Prakash Georg Csanády Markus R A Michaelis Günter Knapp |
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| Institution: | (1) Department of Analytical Chemistry, Micro- and Radiochemistry, Graz University of Technology, Technikerstrasse 4, A-8010 Graz, Austria |
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| Abstract: | Automated preconcentration techniques for off/on-line determination with ICP-OES have been developed for various metal ions of environmental interest. Preconcentration studies were performed on two different types of chemically bonded chelating ion-exchangers, namely EDTrA-cellulose (iminoacetate groups) and HSO3 · oxine-cellulose. Enrichment studies were carried out at various preconcentration factors and also at different loadings.Presented in part at the 1989 European Winter Conference on Plasma Spectrochemistry, Reutte, Austria |
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| Keywords: | ICP-OES sample preparation chelating ion exchange preconcentration |
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