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Effect of the concentration of Pt(IV) and Pd(II) chloro complexes on the proportions of their ion-exchanged and coordinatively bound species on the γ-Al2O3 surface

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Abstract

The interaction of platinum(IV) and palladium(II) chloro complexes with the γ-Al2O3 surface in a wide range of surface metal concentrations is reported. Varying the concentration of the adsorbed metal complex on the alumina surface causes changes both in the proportions of weakly and strongly bound desorbable platinum species and in the proportions of desorbable (ion-exchanged) and nondesorbable (coordinatively bound) complexes. The adsorbed palladium complexes are more uniform in chemical composition and binding strength and consist largely of desorbable species removable from the surface by competitive sorption of anions. The absolute amount of coordinatively bound platinum and palladium species increases as the total metal content of the sample is raised to 1.0% and remains almost invariable at higher metal contents.

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Authors and Affiliations

  1. Institute of Hydrocarbon Processing, Siberian Branch, Russian Academy of Sciences, Omsk, 644040, Russia

    O. B. Bel’skaya, O. V. Maevskaya, A. B. Arbuzov, T. V. Kireeva, V. K. Duplyakin & V. A. Likholobov

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  1. O. B. Bel’skaya
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  2. O. V. Maevskaya
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  3. A. B. Arbuzov
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  4. T. V. Kireeva
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  5. V. K. Duplyakin
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  6. V. A. Likholobov
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Correspondence to O. B. Bel’skaya.

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Original Russian Text © O.B. Bel’skaya, O.V. Maevskaya, A.B. Arbuzov, T.V. Kireeva, V.K. Duplyakin, V.A. Likholobov, 2010, published in Kinetika i Kataliz, 2010, Vol. 51, No. 1, pp. 106–113.

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Bel’skaya, O.B., Maevskaya, O.V., Arbuzov, A.B. et al. Effect of the concentration of Pt(IV) and Pd(II) chloro complexes on the proportions of their ion-exchanged and coordinatively bound species on the γ-Al2O3 surface. Kinet Catal 51, 98–104 (2010). https://doi.org/10.1134/S0023158410010167

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  • DOI: https://doi.org/10.1134/S0023158410010167

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