A correlation has been developed for the solubility of C 4 to C 10 hydrocarbons in water at 25°C and atmospheric pressure. The excess Gibbs free energy is correlated in terms of an effective molar volume which is related to the actual molar volume adjusted to include the effects of the degree of branching, the number of olefinic and acetylenic bonds and the number of aromatic and cycloalkane rings. The root mean square deviation between 59 correlated and experimental solubilities is 20%. The range of solubilities is from 0.052 to 5150 g hydrocarbon per 10 6 g water. The correlation provides a rational procedure for the estimation of solubility of other hydrocarbons.
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Leinonen et al. (1971) studied this question.
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