| pH | Al3+ | Al(OH) | Al(OH)2 | Al(OH)3 | Al(OH)4 |
| % | % | % | % | % | |
| 4 | 94 | 5.4 | 0.2 | 0 | 0 |
| 5 | 55 | 33 | 12.1 | 0.4 | 0.02 |
| 6 | 2.4 | 14 | 53.4 | 19.7 | 10.5 |
| 7 | 0 | 0.1 | 4.1 | 14.8 | 80.9 |
| 8 | 0 | 0 | 0.05 | 1.8 | 98.2 |