Solvation of ions. XXV. Partial molal volumes of single ions in protic and dipolar aprotic solvents
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Dack, M.R.J., Bird, K.J. and Parker, A.J. (1975) Solvation of ions. XXV. Partial molal volumes of single ions in protic and dipolar aprotic solvents. Australian Journal of Chemistry, 28 (5). pp. 955-963.
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Abstract
Partial molal volumes at 25° are reported for some 1 : 1 electrolytes, and for triphenylmethane, in dimethyl sulphoxide, N,N- dimethylformamide, acetonitrile, propylene carbonate, formamide and hexamethylphosphoramide. The assumption that ΔV°tr(Ph4As+) = ΔV°tr(BPh4-) was used to obtain ionic partial molal volumes of transfer from water to the non-aqueous solvents. Solvent compressibility appears to determine the partial molal volumes of non-electrolytes and large hydrophobic ions in solution. Values of ΔV°tr for cations and anions are discussed in terms of ion-solvent interactions, solvent-solvent interactions and steric crowding of large solvent molecules around the ions.
| Item Type: | Journal Article |
|---|---|
| Murdoch Affiliation: | School of Mathematical and Physical Sciences |
| Journal or Publication Title: | Australian Journal of Chemistry |
| Page Range: | pp. 955-963 |
| Publisher: | Commonwealth Scientific and Industrial Research Organization Publishing |
| Copyright: | © 1975 CSIRO |
| URI: | http://researchrepository.murdoch.edu.au/id/eprint/31683 |
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