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Pd-SiO2 catalysts. stability of β-PdHx as a function of Pd dispersion

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Abstract

Measurements of β-PdHx stoichiometry by hydrogen TPD and of Pd dispersion by CO chemisorption has shown that in Pd−SiO2 catalysts the formation of β-PdHx is more and more hindered with the increase of Pd dispersion in the whole dispersion range. A linear relationship exists between β-PdHx stoichiometry and temperature of its hydrogen TPD peak.

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Authors and Affiliations

  1. Dipartimento di Chimica, Università di Venezia, Calle, Larga S. Marta 2137, 30123, Venezia, Italy

    F. Pinna, M. Signoretto & G. Strukul

  2. Dipartimento Chimica Fisica, Università di Venezia, Calle, Larga S. Marta 2137, 30123, Venezia, Italy

    S. Polizzi

  3. Via Pansa 7, 28100, Novara, Italy

    N. Pernicone

Authors
  1. F. Pinna
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  2. M. Signoretto
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  3. G. Strukul
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  4. S. Polizzi
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  5. N. Pernicone
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Pinna, F., Signoretto, M., Strukul, G. et al. Pd-SiO2 catalysts. stability of β-PdHx as a function of Pd dispersion. React Kinet Catal Lett 60, 9–13 (1997). https://doi.org/10.1007/BF02477683

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  • DOI: https://doi.org/10.1007/BF02477683

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