The Solubility of Gases in Liquids I. The Solubility of a Series of Fluorine-Containing Gases in Several Non-Polar Solvents

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The solubilities of CF3Cl and CF2Cl2 in n-heptane, n-octane, cyclohexane, benzene, and carbon tetrachloride, and additionally CF4 and SF6 in n-octane were determined in the temperature range 24 to 35 °C. The solubility, Gibbs free energy, enthalpy, and entropy of solution were calculated from the experimental results for 1 atm partial pressure of gas and 25 °C. These values were compared with results calculated using the scaled particle theory. The agreement was good. The scaled particle theory was also used to determine the Lennard-Jones (6–12) pair potential parameters for the solvents, yielding results which are in excellent agreement with literature values.