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Transformation Of Arsenic Oxyanions In Bacterial And Model Systems, Ganna Polshyna

Electronic Theses and Dissertations

The HPLC-UV-Vis method with 7.5 mM sulfuric acid as a mobile phase and 195 nm wavelength detection was used for the separation and quantification of As(III) and As(V) in bacterial media used for growing of Clostridium sp. Strain OhILAs bacteria. In this method, the arsenic species were eluted in order As(V) > As(III), and the retention time were not affected by bacteria media matrix. It has been shown that the shape of the curve of increasing of the As(III) concentration is similar to that of bacteria growing. The main disadvantage of the present method is its failure to separate As(III) ions …