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Mössbauer investigation of the reaction between HCl and tin dopant ions located on the surface of Cr2O3 microcrystals

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Abstract

The chemical behavior of surface-located tin dopant ions depends strongly on their valence state. At room temperature all Sn(II) ions readily react with gaseous hydrogen chloride while, under similar conditions, the predominant part of Sn(IV) ions is not affected by this gas. The results of this study, along with those previously obtained for both valence states of tin dopant exposed to a H2S atmosphere, suggest that lower reactivity of Sn(IV) ions is essentially due to their higher coordination number and concomitant steric hindrance effects.

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Authors and Affiliations

  1. Department of Chemistry, M. V. Lomonosov Moscow State University, 19899, Moscow V-234, Russia

    I. S. Bezverkhy (Chair of Radiochemistry), M. I. Afanasov & P. B. Fabritchnyi

  2. Laboratoire de Chimie des Solides, Institut des Matériaux de Nantes, UMR 110, CNRS-Université de Nantes, 2 rue de la Houssiničre, BP 32229, 44322, Nantes Cédex 3, France

    S. Maingaud & M. Danot

Authors
  1. I. S. Bezverkhy
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  2. M. I. Afanasov
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  3. P. B. Fabritchnyi
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  4. S. Maingaud
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  5. M. Danot
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Bezverkhy, I.S., Afanasov, M.I., Fabritchnyi, P.B. et al. Mössbauer investigation of the reaction between HCl and tin dopant ions located on the surface of Cr2O3 microcrystals. J Radioanal Nucl Chem 232, 241–243 (1998). https://doi.org/10.1007/BF02383747

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