R141B
The thermodynamic properties of refrigerant R141b are provided by Martin-Hou equation of state (A.I.Ch.E. Journal, 1:142, 1955).
The values of specific enthalpy and entropy are referred to 0 for saturated liquid at -40 C (F).
Range of applicability for transport function correlations:
Gas-phase viscosity: 250 K to 475 K
Liquid-phase viscosity: 250 K to 475 K
Gas-phase thermal conductivity: 250 K to 475 K
Liquid-phase thermal conductivity: 250 K to 475 K