Table 5.
The parameters of Jouyban–Acree model defined in Equation (14) characterizing phenacetin solubility in aqueous organic binary mixtures. The last two columns characterize quality of fitting by providing values for root means square deviations (RMSD) and mean absolute percentage error (MAPE).
| Cosolvent | J0 103 | J 1 | J2 103 | RMSD | MAPE |
|---|---|---|---|---|---|
| methanol | 1.149 | −12.40 | 0.759 | 0.10 | 1.23 |
| 1,4-dioxane | 4.615 | −1899.17 | 0.570 | 0.07 | 1.47 |
| acetonitrile | 3.063 | −1511.42 | 1.836 | 0.07 | 1.15 |
| DMF | 2.309 | −2257.29 | 0.989 | 0.22 | 2.85 |
| DMSO | 2.217 | −168.14 | −1.001 | 0.09 | 1.33 |