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Thermodynamic parameters for CR and RB5 dye adsorption onto PEI-CW.
| Parameter | Dye | ||
|---|---|---|---|
| CR | RB5 | ||
| ΔGo (kJ/mol) | 25 °C | −3.76 | −9.66 |
| 30 °C | −4.53 | −9.96 | |
| 40 °C | −5.86 | −10.28 | |
| 50 °C | −7.46 | −11.08 | |
| 60 °C | −8.17 | −11.80 | |
| ΔHo (kJ/mol) | 35.05 | 8.28 | |
| ΔSo (J/mol K) | 130.59 | 59.99 | |
