Abstract

Partial solubility parameters of chlorobenzene and chlorophenol compounds at equilibrium distribution in two immiscible phases such as soil-water system were studied. An integral distribution equilibrium equation is derived from the concept of partial solubility parameters and Flory-Hungins equation. Twelve chlorobenzenes and nineteen chlorophenols were employed in this study and their partial solubility parameters including dispersion( ( δ d),and polar van der Waals ( δ p), as well as their electron acceptor and donor solubility parameters ( δ a and δ b) were calculated.Hildebrand's solubility parameter(δ) of the compounds was also obtained by using boiling point and formula.HPLC was performed by octadecyl-bonded phase as the stationary phase with methanol or acetonitrile as the mobile phase to determine the capacity factor k′ of all compounds for the calculation of δ a and δ b.

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