Table 2.

Experimental LLE data for the ternary system, DES (1) + 1‐propanol (2) + water (3) at T = 298.15 K and p = 1 atm

Extract phase			Raffinate phase			βpropanol	Selectivity (S)
x DES [DL‐menthol+ palmitic acid] (12:1)	x propanol	x water	x DES	x propanol	x water
0.653	0.115	0.232	0.004	0.015	0.981	7.667	32.418
0.576	0.187	0.237	0.001	0.028	0.971	6.679	27.362
0.459	0.316	0.225	0.002	0.043	0.955	7.349	31.192
0.348	0.377	0.275	0.001	0.055	0.944	6.855	23.530
0.243	0.453	0.304	0.001	0.065	0.934	6.969	21.412

Note: Standard uncertainties are u(T) = 0.01 K, u(x) = 0.001.