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Speciation of Zr(IV) radionuclides in solutions

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Abstract

The speciation of Zr(IV) radionuclides at their concentration of ∼10−13 M in the solution was studied. The pH ranges where Zr(IV) exists as ions or as pseudocolloids were determined. The Zr4+ hydrolysis yields Zr(OH)3+ and Zr(OH) 2+2 complexes. Their stability constants were calculated. At [Zr(IV)] > 1 × 10−5 M, binuclear hydroxo complexes Zr2(OH) x z+ are formed.

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Authors and Affiliations

  1. Joint Institute of Energy and Nuclear Research, Belarussian National Academy of Sciences, Minsk-Sosny, Belarus

    Yu. P. Davydov, D. Yu. Davydov & L. M. Zemskova

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  1. Yu. P. Davydov
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  2. D. Yu. Davydov
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  3. L. M. Zemskova
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Original Russian Text © Yu.P. Davydov, D.Yu. Davydov, L.M. Zemskova, 2006, published in Radiokhimiya, 2006, Vol. 48, No. 4, pp. 320–326.

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Davydov, Y.P., Davydov, D.Y. & Zemskova, L.M. Speciation of Zr(IV) radionuclides in solutions. Radiochemistry 48, 358–364 (2006). https://doi.org/10.1134/S1066362206040084

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  • DOI: https://doi.org/10.1134/S1066362206040084

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