Abstract
The isobaric specific heat capacity cp of trans-1,1,1,4,4,4-hexafluoro-2-butene was carefully measured for temperatures T ranging from (308 to 363) K and at pressures p ranging from (0.2 to 1.0) MPa in the gaseous state. The obtained 33 cp data with a flow calorimeter were tabulated and were shown in the cp–T diagram. It is estimated that the expanded uncertainties (k = 2) of the temperature measurements U(T) and the pressure measurements U(p) are less than 37 mK and 3.6 kPa, respectively. That for cp measurements U (cp) is derived to be less than 36 J·kg–1·K–1. Based on the evaluated data, corresponding isotherms were depicted in the cp–p diagram, and the ideal-gas isobaric heat capacity and saturation in the gas phase of trans-1,1,1,4,4,4-hexafluoro-2-butene were determined.
Published Version
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