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Type: Artigo de periódico
Title: Hydrogenation And Structural Changes In Potassium Dithioferrate Under Heat Treatment
Author: Torriani I.L.
Arguello Z.P.
Freiria Filho A.R.
Suassuna J.P.
Taft C.A.
Abstract: Polycrystalline potassium dithioferrate (KFeS2) was studied using X-ray diffraction, to detect structural changes occurring in the compound when submitted to heat treatment at a temperature of 500° C under vacuum and in a hydrogen atmosphere. The changes observed in samples treated under vacuum and in a hydrogen atmosphere were similar, suggesting the presence of a new unstable phase coexisting with that of the untreated sample, and that the structural transformation observed is supposed to be primarily induced by the high-temperature treatment. The structural changes and absorbed hydrogen are correlated with previous Mössbauer and EPR experiments on hydrogenated KFeS2 at 500° C. © 1988 Chapman and Hall Ltd.
Editor: Kluwer Academic Publishers
Rights: fechado
Identifier DOI: 10.1007/BF01154014
Date Issue: 1988
Appears in Collections:Unicamp - Artigos e Outros Documentos

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