Research Article

Thermodynamic Properties of Vapors from Speed of Sound

Table 8

The uncertainty of the reference data.

SubstanceUncertainty [%]

Ar±0.02±0.30±0.30
N2±0.02±0.30±0.30
CH4±0.03±1.00±1.00
CO2±0.03±1.00±1.00