High pressure speed of sound and density of (decalin + n -decane), (decalin + n -hexadecane) and ( n -decane + n -hexadecane) systems and thermodynamic modeling with PHCT equation of state Nascimento, F.P.; Paredes, M.L.; Mehl, A.; Lucena, R.S.; Costa, A.L.; Pessoa, F.L.; The Journal of Chemical Thermodynamics 2016, 95, 124-135