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Studies of the interaction of H2PtCl6 with γ-Al2O3 by diffuse reflectance spectroscopy

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Abstract

Anchoring of [PtCl6]2− on γ-Al2O3 follows an ion exchange mechanism without altering the ligand environment. Drying catalysts at elevated temperatures leads to chemical conversions of the adsorbed complex to form oxygen-containing Pt(IV) complexes due to the substitution of Cl ligands by surface groups of the support.

Abstract

Закрепление комплекса [PtCl6]2− на γ-Al2O3 осуществляется по механизму ионного обмена без изменения лигандного окружения. Сушка катализаторов при повышенных температурах вызывает химические превращения адсорбированного комплекса с образованием кислородсодержащих комплексов Pt(IV) в результате замещения Cl-лигандов на поверхностные группы носителя.

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Authors and Affiliations

  1. Omsk Department of the Institute of Catalysis, 644029, Omsk, USSR

    T. V. Kireeva, V. P. Doronin, L. Ya. Alt & V. K. Duplyakin

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  1. T. V. Kireeva
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  2. V. P. Doronin
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  3. L. Ya. Alt
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  4. V. K. Duplyakin
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Kireeva, T.V., Doronin, V.P., Alt, L.Y. et al. Studies of the interaction of H2PtCl6 with γ-Al2O3 by diffuse reflectance spectroscopy. React Kinet Catal Lett 34, 261–266 (1987). https://doi.org/10.1007/BF02068014

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  • DOI: https://doi.org/10.1007/BF02068014

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