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Determination of the surface coverage of Re/Al2O3 catalysts by ion scattering spectroscopy and low‐temperature CO adsorption

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Abstract

The surface coverage of a series of rhenia–alumina catalysts prepared by equilibrium adsorption was determined by low‐temperature CO adsorption. The results show a linear increase in the coverage of the Re oxide on the alumina support up to 24% with increasing Re loading from 0 to ca. 5.6 wt%. This is consistent with a uniform build‐up of the surface species. The coverage values measured by this method agreed very well with those obtained by ion scattering spectroscopy.

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Authors and Affiliations

  1. Department of Chemistry, Vanderbilt University, PO Box 1822, Station B, Nashville, TN, 37235, USA

    Marwan Houalla & David M. Hercules

  2. Instituto de Investigaciones en Catálisis y Petroquímica‐INCAPE (FIQ, UNL‐CONICET), Santiago del Estero 2829, 3000, Santa Fe, Argentina

    Laura Cornaglia

  3. Centro de Catálisis, Petroleo y Petroquímica, Facultad de Ciencias, Universidad Central de Venezuela, Apartado 47102, Los Chaguaramos, Caracas, 1020‐A, Venezuela

    J. Goldwasser

Authors
  1. Laura Cornaglia
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  2. Marwan Houalla
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  3. J. Goldwasser
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  4. David M. Hercules
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Cornaglia, L., Houalla, M., Goldwasser, J. et al. Determination of the surface coverage of Re/Al2O3 catalysts by ion scattering spectroscopy and low‐temperature CO adsorption. Catalysis Letters 63, 131–133 (1999). https://doi.org/10.1023/A:1019069021683

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  • DOI: https://doi.org/10.1023/A:1019069021683

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