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|Title:||Solubilities and thermodynamics of transfer of o- and m-substituted benzoic acids in aqueous binary mixtures of 2-methoxyethanol and 1,2-dimethoxyethane|
|Authors:||Ghosh, S K|
Hazra, D K
|Abstract:||The solubilities of o- and m-substituted benzoic acids in 2-methoxyethanol (ME) + water and 1,2- dimethoxyethane (DME) + water mixtures (0-100%) have been measured at 25 ±0.01°C. The thermodynamic dissociation constants of the acids have been determined from pH and solubility measurements. The free energies of transfer of the substituted benzoate ions [DG (A‑)] from water to mixed solvent systems have been evaluated from the corresponding DG values of the acids and DG(H+) values previously determined in these solvent systems. The results have been interpreted in terms of the structural changes occurring in the solvent mixtures with the change in solvent composition.|
|Appears in Collections:||IJC-A Vol.29A(10) [October 1990]|
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