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Distribution of coagulants aluminum species by ferron test and 27Al NMR for AlT = 10−5 M.
| Ferron test | 27Al NMR | |||||
|---|---|---|---|---|---|---|
| Coagulant | Ala | Alb | Alc | Alm | Al13 | Alu |
| Alum | 83.9 | 4.1 | 12.0 | 86.4 | 0 | 13.6 |
| PAC-MB | 54.5 | 44.3 | 1.3 | 36.9 | 50.0 | 13.1 |
| PAC-HB | 12.8 | 14.8 | 72.4 | 19.8 | 25.7 | 54.5 |
| PANS | 26.9 | 23.7 | 49.4 | 29.4 | 18.5 | 52.1 |
| PANS-PA | 23.2 | 24.4 | 52.4 | 25.1 | 20.7 | 54.2 |
