Table 3.
Thermodynamic parameters for the nimesulide–salicylic acid binary system recrystallized from ethanol at first heating.
| xNIM | Te (K) | T (K) | ΔtHe (J/g) |
|---|---|---|---|
| 0 | - | 431.29 | 0 |
| 0.1 | 393.52 | 418.99 | 31.73 |
| 0.2 | 393.13 | 415.98 | 36.91 |
| 0.3 | 394.39 | 412.67 | 69.42 |
| 0.4 | 393.02 | 406.08 | 89.87 |
| 0.5 | 394.29 | 394.29 | 100.28 |
| 0.6 | 395.13 | 405.02 | 92.63 |
| 0.7 | 394.94 | 408.4 | 49.4 |
| 0.8 | 393.66 | 412.6 | 8.94 |
| 0.9 | - | 418.84 | 0 |
| 1 | - | 419.61 | 0 |
xNIM—molar fraction of nimesulide, Te—melting temperature of eutectic, T—melting temperature, of component in excess, ΔtHe—melting enthalpy of eutectic composition.