In situ Mössbauer study of iron containing MFI ferrisilicates: Relations to catalytic properties

K. Lázár, A. M.-Szeleczky, G. Vorbeck, R. Fricke, A. Vondrova, J. Cejka

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Abstract

Ferrisilicates of MFI structure (HZSM-5) with Si/Fe ratios of 27.5, 35 and 67 have been studied by in situ Mössbauer spectroscopy, and the results are correlated with studies on catalytic conversions of toluene. Various species of iron ions are identified from 300 K spectra recorded after combinations of evacuation and reduction at 570 and 670 K, respectively. The roles of identified species are suggested in catalytic processes.

Original languageEnglish
Pages (from-to)407-411
Number of pages5
JournalJournal of Radioanalytical and Nuclear Chemistry Articles
Volume190
Issue number2
DOIs
Publication statusPublished - Mar 1 1995

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ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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