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|Title:||Apparent molar compressibilities of transfer of electrolytes from water to aqueous tert-butanol solutions|
|Authors:||Patil, K J|
Mehta, G R
|Abstract:||The densities and sound velocities of the solutions of NaCl, Et4NBr and Bu4NBr in tert-butanol water mixtures (0 to 7 mol%) have been determined at 25°C. The apparent molar compressibilities of the salts-at infinite dilution (ϕ) have been computed from the concentration variation of ϕk for these mixtures. The transfer compressibilities of the electrolytes (ϕ)trans from water to aqueous tert- butanol solutions show a non-linear behaviour as a function of co-solvent concentration. The transfer function has been interpreted in terms of pair and higher order interactions between the electrolytes and the co-solvent. In the water-rich region, the observed large negative (ϕ)trans value in the case of Bu4NBr implies the importance of water structural effects and hydrophobic interaction in these solutions.|
|Appears in Collections:||IJC-A Vol.29A(08) [August 1990]|
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