Table 7 The model constants of Redlich–Kister obtained by fitting the \(V^{E}\) values for the investigated solutions at different temperatures
Redlich–Kister equation [Eq. (7)] | |||||
|---|---|---|---|---|---|
System | T/K | S0 | S1 | S2 | ARD% ± 102. SD |
ChCl/PG DES + water | 293.2 | − 1.908 | − 0.203 | − 0.0219 | 3.54 ± 0.61 |
298.2 | − 1.820 | − 0.231 | 0.1642 | 3.31 ± 0.55 | |
303.2 | − 1.746 | − 0.195 | 0.2531 | 2.59 ± 0.39 | |
308.2 | − 1.650 | − 0.188 | 0.3818 | 1.25 ± 0.32 | |
313.2 | − 1.571 | − 0.158 | 0.4747 | 3.35 ± 0.36 | |
OARD% ± SD | 2.81 ± 0.45 | ||||