BS ISO 17584 pdf download Refrigerant properties 1Scope This International Standard specities thermophysical properties of several commonly used refrigerants andrefrigerant blends. This International Standard is applicable to the refrigerants R12,R22，R32,R123,R125,R134a，R143a,R152a,R717(ammonia), and R744(carbon dioxide) and to the refrigerant blends R404A，R407C，R410A,and R507A. The following properties are included: density, pressure, internal energy, enthalpy, entropy, heatcapacity at constant pressure, heat capacity at constant volume,...