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Influence of the dispersity of rhodium catalysts on the Rh−H-bond energy

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Abstract

Hydrogen adsorption on Rh-black and Rh/C catalysts with varying metal content has been investigated. The amount of adsorbed hydrogen per 1 g Rh decreases in the following series of catalysts: 20% Rh/C>10% Rh/C>5% Rh/C>2% Rh/C>Rh-black. The heat of hydrogen adsorption abruptly falls upon going from Rh-black to supported catalysts.

Abstract

Исследована адсорбция водорода на Rh-черни и Rh/C-катализаторах с различным содержанием металла. Показано, что количество адсорбированного водорода, расчитанное на 1г/Rh, уменьшается в следующем ряду катализатовов: 20% Rh/C>10% Rh/C>5% Rh/C>Rh-чернь. Теплота адсорбции водорода резко падает при переходе от Rh-черни к нанесенным катализаторам.

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Authors and Affiliations

  1. Institute of Organic Catalysts and Electrochemistry, Academy of Sciences of the KazSSR, Alma-Ata, USSR

    G. D. Zakumbaeva, L. A. Beketaeva & P. M. Levit

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  1. G. D. Zakumbaeva
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  2. L. A. Beketaeva
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  3. P. M. Levit
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Zakumbaeva, G.D., Beketaeva, L.A. & Levit, P.M. Influence of the dispersity of rhodium catalysts on the Rh−H-bond energy. React Kinet Catal Lett 4, 207–213 (1976). https://doi.org/10.1007/BF02062000

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