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|Type:||Artigo de periódico|
|Title:||Reinvestigation Of The Thermal Annealing Of 57cocl2nh2o-doped Tris-dipyridylcobalt(iii) Perchlorate Trihydrate|
De Jesus Filho M.F.
|Abstract:||Formation of 57Co labelled tris-dipyridylcobalt(III) perchlorate trihydrate (Co(dipy)3(ClO4)33H2O) within a 57CoCl2nH2O-superficially doped Co(dipy)3(ClO4)33H2O solid has been characterized both by Mössbauer emission spectroscopy and by chemical analysis. The solution analysis indicates essentially 100% formation of the complex within four hours at 38°C while Mössbauer analysis indicates only 71% complex formation after 54 hr at the same temperature. The results are consistent with the view that the complex is, indeed, formed within the solid; however, the formation of the final complex probably involves the intermediate formation of species which analyze, after dissolution, as the parent complex although they cannot be characterized as such in the in situ Mössbauer analysis. © 1981.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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