Phase equilibrium and excess Gibbs energy functions of acetophenone with 1,1,2-trichloroethene and cyclohexane binary mixtures by using NRTL, UNIQUAC, UNIFAC and VANLAAR models at a local atmospheric pressure of 95.3Â kPa

Plot of the change in Gibbs energy GE against mole fraction x1 acetophenone for the binary systems {x1 acetophenone + (1 − x1) 1,1,2-trichloroethene} and {x1 acetophenone + (1 − x1) cyclohexane}.