Solvent extraction studies on tetravalent selenium |
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| Authors: | A M El-Kot A A Mohamed |
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| Institution: | (1) Chemistry Department, Faculty of Science, Zagazig University, Zagazig, (Egypt) |
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| Abstract: | A systematic study has been carried out on the extraction of SeI4, by various water-immiscible organic solvents. Extraction has been investigated as a function of H2SO4 and Kl concentrations. It has been found that Se(IV) extraction is appreciably increased by addition of iodide ion to sulfuric acid solutions. On the other hand, the presence of water-miscible alcohols and acetone was found to enhance Se(IV) extraction from H2SO4–Kl solutions. In the light of the results, an extraction mechanism is suggested. |
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