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Mössbauer Spectroscopic Studies of Supported α‐Fe 2 O 3 and Fe Catalysts II: The Effect of the Second Metal Addition
Author(s) -
Wei HoHsiang,
Lin KuenHai
Publication year - 1984
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.198400047
Subject(s) - chemistry , mössbauer spectroscopy , hyperfine structure , catalysis , metal , magnesium , inorganic chemistry , analytical chemistry (journal) , nuclear chemistry , crystallography , organic chemistry , physics , quantum mechanics
The effect of the addition of a second metals such as Zn and Ni on the calcinaton and reduction of alumina, magnesia and silicasupported iron catalysis with total iron loading of 5wt% is investigated by Mössbauer spectroscopy. It is shown that the reducibility of supported α‐Fe 2 O 3 is gradually increased by adding the second metal. The values of the magnetic hyperfine field obtained from Mössbauer spectra for the Zn or Ni‐added α‐Fe 2 O 3 or Fe catalysts decreased with increasing second metal loading.