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Oxidative dissolution of refractory metals by chlorination in aqueous organic media

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Abstract

Chlorination of rhenium, tungsten, and molybdenum with gaseous chlorine in a dimethylformamide-water medium was studied. The degree to which the metals pass to the solution is higher in the presence of water. The activating effect of water is attributed to the catalytic properties of solutions of HCl in DMF. The activating effect on metal dissolution increases in the sequence W < Mo < Re.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 117907, Russia

    N. F. Drobot, E. N. Trifonova & V. A. Krenev

  2. Lomonosov State Academy of Fine Chemical Technology, pr. Vernadskogo 86, Moscow, 117571, Russia

    D. V. Drobot

Authors
  1. N. F. Drobot
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  2. E. N. Trifonova
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  3. V. A. Krenev
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  4. D. V. Drobot
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__________

Translated from Koordinatsionnaya Khimiya, Vol. 31, No. 4, 2005, pp. 262–265.

Original Russian Text Copyright © 2005 by N. Drobot, Trifonova, Krenev, D. Drobot.

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Drobot, N.F., Trifonova, E.N., Krenev, V.A. et al. Oxidative dissolution of refractory metals by chlorination in aqueous organic media. Russ J Coord Chem 31, 243–246 (2005). https://doi.org/10.1007/s11173-005-0084-4

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  • DOI: https://doi.org/10.1007/s11173-005-0084-4

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