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- Title
Features of ion hydration and ion association in sub- and supercritical aqueous solutions of rubidium bromide.
- Authors
Fedotova, M. V.
- Abstract
Results of investigations by the integral equation method in the XRISM approximation of features of structure formation in sub- and supercritical 0.5 M aqueous solution of RbBr. As the system passes from the sub- to supercritical state, the tetrahedral network of the solvent is destroyed, which is typical of water and aqueous solutions; thermal dehydration of the cation and anion are also observed. Dehydration is accompanied by contraction of the first hydration sphere of Rb+ and extension of the first hydration sphere of Br−. Both in sub- and supercritical solutions conditions a minor amount of contact ion pairs is present whose fraction is Higher by 15% compared to that in standard conditions.
- Subjects
IONS; HYDRATION; RUBIDIUM; BROMIDES; INTEGRAL equations; SOLUTION (Chemistry)
- Publication
Russian Journal of General Chemistry, 2009, Vol 79, Issue 9, p1785
- ISSN
1070-3632
- Publication type
Article
- DOI
10.1134/S1070363209090047