Solubility data in water of ethane, propane, isobutane, n-butane, n-pentane, and n-hexane have been obtained
as a function of temperature in vapor−liquid−liquid equilibrium (VLLE) conditions. The minimum temperature
of experiments is 288 K, while the maximum temperature, for each system, is lower than the critical temperature
of the corresponding hydrocarbon. New solubility vs temperature correlations are given herein for the studied
hydrocarbons in water. Henry's law and activity coefficients at infinite dilution are deduced from the
experimental solubility data. Good agreement is found with available literature data.
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