Research Article
Insight into Equilibrium and Kinetics of the Binding of Cadmium Ions on Radiation-Modified Straw from Oryza sativa
Table 3
Equilibrium models studied at 303 K.
| Model | Equation | Parameters |
| Langmuir | | (mg g−1) (L mg−1) RMSE | 20.70 0.0409 0.7576–0.2381 0.9855 0.65 |
| Freundlich | | (mg g−1) RMSE | 1.2018 1.6575 0.9128 1.22 |
| Temkin | | (L mg−1) (RT/b, kJ mol−1) RMSE | 1.9022 2.1612 0.974 0.30 |
| Harkin-Jura | | RMSE | 2.4606 1.1722 0.6002 1.14 |
| D-R | | (mg g−1) (kJ mol−1) RMSE | 5.8532 0.707 0.814 0.97 |
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