Abstract
The magnetoflotation densities of potassium bromide solutions in H2O-CD3OH and D2O-CH3OD mixtures are measured using, with an error of at most ±(1.0 × 10−5) g/cm3 for methanol mole fractions x 2 of 0.06, 0.1, 0.3, or 0.6; and for the potassium bromide mole fractions up to about 2.65 × 10−2 at 278.15–318.15 K in 10-K steps. The limiting partial molar volumes \(\bar V_3^\infty \) of a stoichiometric [K+ + Br−] mixture and the corresponding H/D isotope effects are calculated. The key role in the volumetric effects of salt solvation is played by the interactions between bromide ions and molecules of the mixed solvent, resulting in hydrogen-type bonding.
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Original Russian Text © E.V. Ivanov, V.K. Abrosimov, 2006, published in Zhumal Neorganicheskoi Khimii, 2006, Vol. 51, No. 5, pp. 895–901.
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Ivanov, E.V., Abrosimov, V.K. Volumetric properties of a stoichiometric mixture of K+ and Br− ions in H/D isotope-substituted aqueous-methanolic solutions between 278.15 and 318.15 K: II. H2O-CD3OH-KBr and D2O-CH3OD-KBr systems. Russ. J. Inorg. Chem. 51, 829–835 (2006). https://doi.org/10.1134/S0036023606050251
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DOI: https://doi.org/10.1134/S0036023606050251