Abstract
The partition constants of a number of carboxylic acids were determined for the partition systems using 1-octanol and benzene as a solvent, and the dimerization constants of carboxylic acids in the benzene phase were also determined. A linear relationship between the partition constants (log KD,HA) of carboxylic acids and the molar volume of the respective carboxylic acids was found, A new good relationship on the partition equilibrium of carboxylic acids was found between the partition systems using 1-octanol and benzene, that is, a good linear relationship exists between the values of (log K2,HA+2log KD,HA) for benzene/water system and the values of log KD,HA for 1-octanol/ water system, irrespective of the kinds of carboxylic acids.
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