ESR Microscopic Imaging on the Spatial Distribution of Paramagnetic Reactive Centers on Catalysts

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  • Xu Yuanzhi
    Department of Chemistry, Zhejiang University
  • Furusawa Masahiro
    Department of Physics, Faculty of Science, Osaka University
  • Ikeya Motoji
    Department of Physics, Faculty of Science, Osaka University
  • Kera Yoshiya
    Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University
  • Kuwata Keiji
    Department of Chemistry, Faculty of Science, Osaka University

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Description

An ESR microscopic imaging on the V4+ and Mo5+ ions Dispersed in the tablets of silica and zeolite carriers was carried out. Distributions of these ions on the surfaces and the cross sections of the catalyst tablets were observed. These results may be a useful information about proper shapes, sizes, and operating conditions of the catalyst particles.

Journal

  • Chemistry Letters

    Chemistry Letters 20 (2), 293-296, 1991

    The Chemical Society of Japan

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