Partial solubility parameters of chlorobenzene and chlorophenol compounds at equilibrium distribution in two immiscible phases |
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| Authors: | Ching-Guang Jaw I-Ming Chen Jui-Hung Yen Yei-Shung Wang |
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| Institution: | Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan |
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| 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( (δd),and polar van der Waals (δp), as well as their electron acceptor and donor solubility parameters (δa and δb) 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 δa and δb. |
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