Formation of Mn4+ centers in MgO powder due to nitrobenzene treatment in liquid phase

A. Rockenbauer, G. Bárizs, A. Gröbler, A. Simon

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Abstract

MgO powders activated in vacuo at 400°C and impregnated with nitrobenzene were investigated by ESR spectroscopy. The formation of Mn4+ centers due to electron transfer between nitrobenzene and impurity centers was established. Liquid impregnation yields substantially fewer nitrobenzene anion radicals than vapor-contact between the catalyst and nitrobenzene.

Original languageEnglish
Pages (from-to)347-351
Number of pages5
JournalReaction Kinetics and Catalysis Letters
Volume10
Issue number4
DOIs
Publication statusPublished - Dec 1 1979

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ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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