Density and Heat Capacity of Liquids from Speed of Sound

Table 5

The Lagrange polynomial orders used in the transcritical domain.

Substance	Interpolation with respect to		Derivation with respect to
	Ar	7	14	—	2, 11
N2	8	14	—	2, 11
CO2	9	14	—	2, 11
CH4	7	14	—	2, 11