Stanovení stopových prvků ve vodním prostředí pomocí techniky difúzního gradientu v tenkém filmu

Smolíková, Vendula

Water pollution nowadays receives increasing attention from researchers as well as the decision-makers and public. Besides other water contaminants, monitoring of trace elements remains at the centre of research attention. Thus, the main objective of this PhD study was the development and application of the DGT technique for the evaluation of selected trace elements (arsenic and uranium) in the aquatic environment. A novel DGT resin gel utilizing the commercially available resin Lewatit FO 36 for an effective evaluation of arsenic contamination in aquatic ecosystems was developed. Subsequently, the use of the technique was extended for the evaluation of uranium in the aquatic environment. The new method was validated by in-situ applications in the real environment (e.g., water reservoir Záskalská and mineral springs Hronovka and Regnerka (Czech Republic), the Scheldt estuary and coastal zone of the North Sea and Zenne River (Belgium)). Part of the work also dealt with the comparison of the performance of commonly used DGT designs for the evaluation of uranium contamination in the aquatic environment.

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