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Estimation of the rate constants of the Pu(VI) + O −3 reaction in alkaline solutions

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Abstract

Analysis of the published data showed that the rate constant k of the reactions of O −3 with Np(V) and Np(VI) in alkaline solutions correlates with the potentials of the Np(VI/V) and Np(VII/VI) couples. This fact allowed the rate constants k for the Pu(V) + O −3 и Pu(VI) + O −3 reactions to be estimated from the known formal potentials of the Pu(VI/V) and Pu(VII/VI) couples in 1 M NaOH solution. The values of approximately 1.25 × 106 and 6.3 × 104 L mol−1 s−1, respectively, were obtained.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia

    V. P. Shilov, A. V. Gogolev & A. M. Fedoseev

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  1. V. P. Shilov
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  2. A. V. Gogolev
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  3. A. M. Fedoseev
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Correspondence to A. V. Gogolev.

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Original Russian Text © V.P. Shilov, A.V. Gogolev, A.M. Fedoseev, 2015, published in Radiokhimiya, 2015, Vol. 57, No. 4, pp. 337–338.

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Shilov, V.P., Gogolev, A.V. & Fedoseev, A.M. Estimation of the rate constants of the Pu(VI) + O −3 reaction in alkaline solutions. Radiochemistry 57, 395–397 (2015). https://doi.org/10.1134/S1066362215040098

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  • DOI: https://doi.org/10.1134/S1066362215040098

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