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Glow Phenomenon of Chromium Oxide

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Abstract

CHROMIUM oxide is used extensively as a catalyst, both as the pure oxide and as an essential component of various multicomponent systems. The unsupported chromium oxide gel usually undergoes a strongly exothermic transformation, or “glow phenomenon”, when heated in air at a temperature of about 400° C. The evolution of heat is accompanied by the development of the crystalline phase of α-chromium oxide and a diminution in catalytic activity1,2; the existence of the glow phenomenon therefore imposes severe limitations on the use of the unsupported oxide as a catalyst.

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Authors and Affiliations

  1. Department of Chemistry, Brunel University, London, W.3.

    J. D. CARRUTHERS & K. S. W. SING

  2. Department of Chemistry, College of Technology, Liverpool, 3

    J. FENERTY

Authors
  1. J. D. CARRUTHERS
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  2. K. S. W. SING
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  3. J. FENERTY
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CARRUTHERS, J., SING, K. & FENERTY, J. Glow Phenomenon of Chromium Oxide. Nature 213, 66–68 (1967). https://doi.org/10.1038/213066a0

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  • DOI: https://doi.org/10.1038/213066a0

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