Abstract
The polarographic behaviour of U(VI) has been studied in sulphuric acid solutions of different concentrations and the different kinetic parameters are determined. The nature of the polarograms differs in accordance with the acid concentration. The diffusion coefficient of U(VI) is found to be 3·51 × 10 −6, 6·02 × 10 −6 and 6·52 × 10 −6 cm 2/s for 5·0, 1·0 and 0·1 M H 2SO 4 respectively. The waves being irreversible are analysed by the Koutecky—Delahay treatments and also by a proposed simpler procedure; the latter proved to be more easy and rapid. The values of the different kinetic parameters reveals that the irreversibility of the electrode reaction decreases with rise of sulphuric acid concentration.
Published Version
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