Electrolytic preconcentration in instrumental analysis |
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Authors: | Sioda R E Batley G E Lund W Wang J Leach S C |
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Affiliation: | Industrial Chemistry Research Institute, ul. Rydygiera 8, 01-793 Warsaw, Poland. |
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Abstract: | The use of electrolytic deposition as a separation and preconcentration step in trace metal analysis is reviewed. Both the principles and applications of the technique are dealt with in some detail. Electrolytic preconcentration can be combined with a variety of instrumental techniques. Special attention is given to stripping voltammetry, potentiometric stripping analysis, different combinations with atomic-absorption spectrometry, and the use of flow-through porous electrodes. It is pointed out that the electrolytic preconcentration technique deserves more extensive use as well as fundamental investigation. |
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