Investigation conditions of formation Co-Al double layered hydroxides

The process of formation of double layered hydroxides in the system Со 2 + - Al 3 + - SO 4 2- - ОН - at the stoichiometric ratio of Al 3 + /Сo 2 + = 2 cations was studied by a complex method. The possibility of coprecipitation of cobalt and aluminum hydroxides, the optimal range of pH values for the...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2021-05, Vol.720 (1), p.90-96
Main Author: Frolova, L.
Format: Article
Language:English
Subjects:
Aluminum
Cations
Cobalt
Color characteristics
coprecipitation
double layered hydroxides
Hydroxides
Phase composition
Spectrophotometry
Spinel
X-ray diffraction
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Summary:The process of formation of double layered hydroxides in the system Со 2 + - Al 3 + - SO 4 2- - ОН - at the stoichiometric ratio of Al 3 + /Сo 2 + = 2 cations was studied by a complex method. The possibility of coprecipitation of cobalt and aluminum hydroxides, the optimal range of pH values for the production of precipitation, which are precursors of the synthesis of aluminocobalt spinel. X-ray diffraction analysis revealed the phase composition of the final product. Spectrophotometrically determined color characteristics of spinel.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2021.1905286