Kunz, Werner and Belloni, Luc and Bernard, Olivier and Ninham, Barry W. (2004) Osmotic coefficients and surface tensions of aqueous electrolyte solutions: Role of dispersion forces. JOURNAL OF PHYSICAL CHEMISTRY B, 108 (7). pp. 2398-2404. ISSN 1520-6106, 1520-5207
Full text not available from this repository. (Request a copy)Abstract
Osmotic coefficients of a series of 16 aqueous electrolyte solutions are described at concentrations up to about 1 M with the help of HNC calculations and solvent-averaged potentials of charged hard spheres with an additional necessary dispersion potential, omitted from all earlier treatments. The adjusted ionic radii and excess polarizabilities have values of the expected order of magnitude. Whereas the description of the bulk properties is satisfactory, the theory is not so successful in predicting the surface tensions of the corresponding solutions (Hofmeister series). The reasons for this are quite subtle and explored in the text. It is clear now how to make further progress and tackle hydration in a consistent way.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | THERMODYNAMIC EXCESS FUNCTIONS; MCMILLAN-MAYER CONVERSION; MEAN SPHERICAL MODEL; INTEGRAL-EQUATION; ION SPECIFICITY; WATER; INTERFACE; APPROXIMATION; POTENTIALS; CHEMISTRY; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 22 Jul 2021 10:24 |
| Last Modified: | 22 Jul 2021 10:24 |
| URI: | https://pred.uni-regensburg.de/id/eprint/37991 |
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