M?ssbauer spectroscopic studies of passivated layers of iron-containing catalysts for ammonia synthesis |
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| Authors: | Yu. V. Maksimov R. A. Arents Yu. V. Baldokhin I. P. Suzdalev D. M. Minaev R. V. Chesnokova |
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| Affiliation: | (1) Institute of Chemical Physics, Moscow, USSR;(2) State Institute of Nitrogen Industry, Moscow, USSR |
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| Abstract: | Combined conversion electron (CEMS) and transmission  -ray (MS) Mössbauer spectroscopy was used to study the structure of passivated layers of promoted and unpromoted iron-containing catalysts. In both catalysts the oxide-coated films were found to consist of small  paramagnetic (at 300 K) clusters of ferric oxide.
                         .    ,    ( 300  )  .
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