Fig. 2
The excess molar volume (VE) for pseudo-binary mixtures of ChCl/PG DES (at a molar ratio of 1:3) in water calculated and plotted against DES mole fraction (xDES) at various temperatures: (
), T/K = 293.15; (
), T/K = 298.15; (
), T/K = 303.15; (
), T/K = 308.15; (
), T/K = 313.15; the dashed lines obtained from fitting the VE values with Redlich–Kister equation