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Oxidation of americium(III) with sodium bismuthate

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Abstract

The oxidation of americium(III) with sodium bismuthate has been investigated in a nitric acid solution. The lower the acidity, the more rapidly the oxidation of americium(III) to americium(VI) proceeds, especially at higher temperatures. Based on this finding, a procedure was developed to oxidize americium(III) completely at low concentrations. The americium(VI) free from the excess oxidant has been found to be stable only at 0°C, irrespective of the acidity, but to be more unstable at the temperature higher than 10°C, especially at lower acidities.

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Authors and Affiliations

  1. The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai, (Japan)

    M. Hara & S. Suzuki

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  1. M. Hara
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  2. S. Suzuki
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Hara, M., Suzuki, S. Oxidation of americium(III) with sodium bismuthate. J. Radioanal. Chem. 36, 95–104 (1977). https://doi.org/10.1007/BF02516256

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  • DOI: https://doi.org/10.1007/BF02516256

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