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Thermodynamic parameters for VB12 adsorption on AC for different temperatures (mAC = 5 mg, Ci = 25 mg·L−1, pH = 6, V = 50 mL).
| ∆G°(kJ·mol−1) | ∆H° (kJ·mol−1) |
∆S° (J·mol−1·K−1) |
||||
|---|---|---|---|---|---|---|
| T °C | 25 °C | 35 °C | 45 °C | 55 °C | ||
| −0.37 | −0.79 | −0.65 | −0.80 | 3.64 | 13.67 | |
