| Mirabilis jalapa | |||||
| Cd (II) | Cr (VI) | Pb (II) | |||
| pH | % Removal | pH | % Removal | pH | % Removal |
| 3 | 58 | 3 | 56 | 3 | 54 |
| 4 | 66 | 4 | 64 | 3.5 | 61 |
| 5 | 77 | 5 | 74 | 4 | 76 |
| 6 | 88 | 5.5 | 85 | 4.5 | 89 |
| 7 | 79 | 6 | 81 | 5 | 80 |
| 8 | 72 | 7 | 73 | 5.5 | 74 |
|
|
| 8 | 68 | 6 | 67 |