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Vapor pressures and gas-phasePVT data for 1-Chloro-1,2,2,2-tetrafluoroethane (R124)


We present new data for the vapor pressure andPVT surface of 1-chloro-1,2,2,2-lelralluoroethane (designated R124 by the refrigeration industry) in the temperature range 278–423 K. ThePVT data are for the gas phase at densities up to 1.5 times the critical density. Correlating equations are given for the vapor pressures from 220 K to the critical temperature, 395.43 K, and for thePVT surface at densities up to 2 mol · L−1 (approximately 0.5 times the critical density). Second and third virial coefficients have been derived from thePVT measurements.

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Boyes, S.J., Weber, L.A. Vapor pressures and gas-phasePVT data for 1-Chloro-1,2,2,2-tetrafluoroethane (R124). Int J Thermophys 15, 443–460 (1994).

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Key Words

  • 1-Chloro-1,2,2,2-tetrafluoroethane
  • density
  • gas-phasePVT
  • refrigerant R 124
  • saturated vapor density
  • vapor pressures
  • virial coefficients