COSTALD: For dsat of the Liquid phase
dsat = M / [V0(1 - 1.52816×τ1/3 + 1.43907×τ2/3 - 0.81446×τ + 0.190454×τ4/3){1 - Ω (-0.296123 + 0.386914 ×tr - 0.0427258×tr2 - 0.0480645×tr3)/(tr - 1.00001)}],
where M is the molar mass, tr = T/Tc, τ = 1 - tr, and Tc is the critical temperature.
