The distributions of aniline, 4-methylaniline, 3,4-dimethylaniline, and 2,4,5-trimethylaniline between octanol and water were determined as a function of pH and KC1 concentration in the aqueous phase. The data were interpreted in terms of a multicomponent equilibrium model with anilinium in the water-saturated octanol as free ions and ion pairs. The reactions are [four chemical equations are given] where B represents the organic base, and the overbar denotes a species in the octanol phase. The implications of these results to the use of the octanol-water reference system for organic bases arid to the sorbent-water distribution of organic bases in the environment is discussed.
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Johnson et al. (1990) studied this question.
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