The importance of element speciation in water analysis — a plea for further investigations |
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Authors: | F H Frimmel T Gremm |
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Institution: | 1. Bereich Wasserchemie, Engler-Bunte-Institut, Universit?t Karlsruhe, Postfach 6980, D-76128, Karlsruhe, Germany
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Abstract: | Water analysis is dominated by parameters given in laws and recommendations concerning water quality. Speciation has been broadly neglected. This might be due to the difficulties in defining speciation and in determining species at low concentrations. This paper addresses the physical, chemical and biological approaches to speciation and gives examples for methods which are suited for species determination in aquatic systems. Metals and non-metallic elements are covered as well. It is obvious that speciation is a key for understanding the function of aquatic ecosystems and their technical utilization. |
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