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Gas-phase nitration of metallic uranium, zirconium, and aluminum

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Abstract

Gas-phase conversion of metallic U, Zr, and Al into water-soluble compounds in the NO x –H2O (vapor)–air and HNO3 (vapor)–air atmospheres was studied. Monolithic Umet and powdered Zrmet undergo gasphase conversion to form water-soluble compounds (nitrates, hydroxynitrates), whereas monolithic Zrmet remains unchanged. The degree of conversion of Almet into water-soluble compounds in the examined nitrating media at 25–150°С does not exceed 10%. The principal possibility of separating U from Al and Zr by gasphase conversion of monolithic samples in a nitrating atmosphere was demonstrated.

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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

    S. A. Kulyukhin, N. A. Konovalova, Yu. M. Nevolin & A. V. Gordeev

Authors
  1. S. A. Kulyukhin
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  2. N. A. Konovalova
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  3. Yu. M. Nevolin
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  4. A. V. Gordeev
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Correspondence to S. A. Kulyukhin.

Additional information

Original Russian Text © S.A. Kulyukhin, N.A. Konovalova, Yu.M. Nevolin, A.V. Gordeev, 2016, published in Radiokhimiya, 2016, Vol. 58, No. 6, pp. 512–518.

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Kulyukhin, S.A., Konovalova, N.A., Nevolin, Y.M. et al. Gas-phase nitration of metallic uranium, zirconium, and aluminum. Radiochemistry 58, 598–605 (2016). https://doi.org/10.1134/S1066362216060060

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  • DOI: https://doi.org/10.1134/S1066362216060060

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