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Activation of metallic aluminum by tin and gallium chlorides in oxidation with water

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Abstract

We have studied the effect of gallium chloride and tin chloride solutions on the water oxidation of aluminum at SnCl2 concentrations of 0.68 and 6.32 wt %, GaCl3 concentrations of 0.56 and 2.67 wt %, and MCl n : Al(M = Sn, Ga; n = 2, 3) molar ratios from 0.017 to 0.3. The results indicate that, when aluminum is oxidized in the presence of these salts, the reaction rate and hydrogen yield increase with reaction temperature and salt concentration and reach the highest levels when a mixture of gallium and tin chlorides is used. The reaction products are identified and the likely mechanism of the processes involved in the oxidation of aluminum is discussed.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, Russia

    A. G. Burlakova, N. N. Dremova, S. E. Kravchenko & A. V. Ivanov

  2. Faculty of Chemistry, Moscow State University, Moscow, 119992, Russia

    S. P. Shilkin, O. V. Kravchenko & B. M. Bulychev

Authors
  1. A. G. Burlakova
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  2. S. P. Shilkin
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  3. O. V. Kravchenko
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  4. N. N. Dremova
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  5. S. E. Kravchenko
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  6. A. V. Ivanov
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  7. B. M. Bulychev
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Correspondence to A. G. Burlakova.

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Original Russian Text © A.G. Burlakova, S.P. Shilkin, O.V. Kravchenko, N.N. Dremova, S.E. Kravchenko, A.V. Ivanov, B.M. Bulychev, 2012, published in Neorganicheskie Materialy, 2012, Vol. 48, No. 3, pp. 290–296.

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Burlakova, A.G., Shilkin, S.P., Kravchenko, O.V. et al. Activation of metallic aluminum by tin and gallium chlorides in oxidation with water. Inorg Mater 48, 238–243 (2012). https://doi.org/10.1134/S0020168512020069

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  • DOI: https://doi.org/10.1134/S0020168512020069

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