Table 3.
Thermodynamic parameters for the adsorption of Direct Blue 78 onto eggshell at different temperatures.
| Eggshell | T (K) | ΔG° (J/ mol) | ΔH° (J/ mol ) | ΔS° (J/ mol ) |
| 302 | −24,417.19 | 41,690.71 | 219.24 | |
| 328 | −30,886.69 | - | - | |
| 348 | −34,376.63 | - | - |
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