Abstract
Binary vapor-liquid equilibrium data were measured for the 1,1,1 -trifluoroethane (HFC-143a) + n-butane (HC-600) system at temperatures from (313.15 to 363.15) K. This experiment was carried out with a circulating-type apparatus with online gas chromatography. The experimental data were correlated well by Peng-Robinson-Stryjek-Vera equation of state with the Wong-Sandler mixing rules. The average absolute deviation of pressure and vapor composition between the measured data and the correlation was below 0.98 % and 0.0128, respectively.
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