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| kinetic equation | thermodynamic equation | isotherm equation | |
|---|---|---|---|
| time (min) | 15, 20, 25, 30 min | 30 min | 30 min |
| concentration of Cu(II) (mg L–1) | 100, 75, 50 mg L–1 | 100 mg L–1 | 10–100 mg L–1 (the difference in concentration in each experiment was 10 mg L–1) |
| temperature (°C) | 30 °C | 29, 31, 33, 35, 38 °C | 30 °C |
