DETERMINATION OF THE COMPONENTS OF THE SOLUBILITY PARAMETER OF ALCOHOLS.

The authors propose a method of separation of the total solubility parameter into dispersion, orientation, induction, proton-donor, and proton-acceptor components. This method is based on experimental data of the limit activity coefficients of alcohols in nonpolar solvents and the partial enthalpies of dissolution in water. Aliphatic alcohol solutions are used as an example. It is shown that if delta //a and delta //b are known for the dissolved compound, then the same values for polar solvents can in principle be determined with the limit activity coefficients. Nevertheless, a high precision should not be expected if there is no reliable experimental estimation of the partial excess entropy of the dissolved compound for such systems.