| V sample (mL) | Oxidizing mass (mg) | Contact time (minutes) | Measured initial concentration (mg·L−1) | Final measured concentration (mg·L−1) | % of Total Iron eliminated |
| Oxygen (O2) at pH = 9.8 | |||||
| 30 | 0.73 | 5 | 5.403 | 0.321 | 93.74 |
| Potassium permanganate (KMnO4) at pH = 9.8 | |||||
| 30 | 3.61 | 5 | 5.403 | 0.285 | 94.43 |
| Sodium hypochlorite (NaClO) at pH = 9.8 | |||||
| 30 | 2.4 | 5 | 5.403 | 0.205 | 96.01 |