Table 2. Experimental LLE Data for the Ternary System Dodecane (1) + [DBU-Hex][SCN] (2) + Naphthenic Acid (3) on a Mole Fraction Basis.

hydrocarbon-rich phase			ionic liquid-rich phase
ẋ1	ẋ2	ẋ3	ẍ1	ẍ2	ẍ3	βa
0.997	0.0	0.006	0.0	0.966	0.034	5.309
0.901	0.0	0.099	0.0	0.923	0.077	0.778
0.807	0.0	0.193	0.0	0.883	0.117	0.605
0.714	0.0	0.286	0.0	0.829	0.171	0.598
0.622	0.0	0.378	0.0	0.769	0.231	0.610
0.528	0.0	0.472	0.0	0.713	0.287	0.608
0.435	0.0	0.565	0.0	0.653	0.347	0.614
0.341	0.0	0.659	0.0	0.593	0.407	0.618
0.247	0.0	0.753	0.0	0.538	0.462	0.614

^aβ = distribution coefficient calculated via eq 1.