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Number of metallic clusters in Y zeolites obtained from129Xe NMR

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Abstract

We present a simple model which permits to obtain the number of metallic clusters entrapped in Y zeolites from the curves of the chemical shifts of129Xe NMR against the pressure of Xe. From the metal loading the average number of atoms per cluster can also be calculated. We apply the model to Pt/NaY and the bimetallic Pt-Cu/NaY.

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Authors and Affiliations

  1. Centro di Studio del CNR “SACSO”, Dipartimento di Chimica, Università “La Sapienza”, Piazzale A. Moro 5, 00185, Rome, Italy

    Giuliano Moretti

  2. Ipatieff Laboratory, Center for Catalysis and Surface Science, Department of Chemistry, Northwestern University, 60208, Evanston, IL, USA

    Wolfgang M. H. Sachtler

Authors
  1. Giuliano Moretti
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  2. Wolfgang M. H. Sachtler
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Moretti, G., Sachtler, W.M.H. Number of metallic clusters in Y zeolites obtained from129Xe NMR. Catal Lett 17, 285–293 (1993). https://doi.org/10.1007/BF00766150

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  • DOI: https://doi.org/10.1007/BF00766150

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