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Comparison of amorphous silica-alumina and highly dealuminated HY zeolite by1H high resolution MAS-NMR of solids

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Abstract

1H MAS-NMR spectroscopy reveals analogies between partly dehydrated samples of silica-alumina and strongly dealuminated HY zeolite. There is a fundamental difference between the dehydration processes of crystalline and amorphous samples. A scheme for the reactions occurring during dehydration and dehydroxylation is proposed.

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Authors and Affiliations

  1. Laboratoire de Chimie des Surfaces associé au CNRS-URA 1428, Université Pierre et Marie Curie, Tour 55, 4 place Jussieu, 75252, Paris Cedex 05, France

    Claudine Dorémieux-Morin, Patrice Batamack, Claudine Martin, Jean -Marie Brégeault & Jacques Fraissard

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  1. Claudine Dorémieux-Morin
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  2. Patrice Batamack
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  3. Claudine Martin
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  4. Jean -Marie Brégeault
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  5. Jacques Fraissard
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Dorémieux-Morin, C., Batamack, P., Martin, C. et al. Comparison of amorphous silica-alumina and highly dealuminated HY zeolite by1H high resolution MAS-NMR of solids. Catal Lett 9, 403–409 (1991). https://doi.org/10.1007/BF00764832

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  • DOI: https://doi.org/10.1007/BF00764832

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