Solubility of aluminum, gallium, and indium perchlorates in water

Solubility polytherms of the system M(ClO 4 ) 3 -H 2 O (M 3+ = Al 3+ , Ga 3+ , In 3+ ) were measured. Positions of singular points and vitrification ranges were determined. Values of eutectic concentrations were compared with earlier known data on the inversion concentrations measured by the viscome...

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Bibliographic Details
Published in:Russian journal of general chemistry 2011-08, Vol.81 (8), p.1583-1587
Main Authors: Pestova, O. N., David’yan, A. G., Myund, L. A., Khripun, M. K.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
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Summary:Solubility polytherms of the system M(ClO 4 ) 3 -H 2 O (M 3+ = Al 3+ , Ga 3+ , In 3+ ) were measured. Positions of singular points and vitrification ranges were determined. Values of eutectic concentrations were compared with earlier known data on the inversion concentrations measured by the viscometry method. Compositions of found crystalline hydrates were calculated from the solubility polytherms. The concept of the ability of the studied aqua cations to show properties of aqua acids, of the structure of solutions of posteutectic concentrations (structurally forced processes and microheterogeneity), of the electronic structure of M 3+ cations, and of the localized hydrolysis phenomenon were used to understand the existence of the polyaqua compounds.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363211080020