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In situ measurements of copper and zinc using diffusive gradients in thin films (DGT) in two distinct natural water systems were compared to metal speciation assessed by competitive ligand exchange (CLE) and voltammetric measurements. In a dynamic river system, where dissolved metal concentrations vary significantly over short-time periods, DGT technique provided averaged values of the metal concentrations...
Abstract. Measuring the metal content of periphyton is a means of evaluating the state of metal contamination in the environment with respect to levels of metals and their bioavailability. The aim of this study was to identify relationships between the dissolved metal concentrations and the total or intracellular metal concentrations in the periphyton from two rivers. Metal levels at non-contaminated...
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