Ferric sulfate
Nkọwapụta
| Ihe | Ọkọlọtọ |
| Al2O3 | ≥17% |
| Fe | ≤0.005% |
| PH (1% ngwọta mmiri mmiri) | ≥3 |
Dee ozi gị ebe a ziga anyị ya
Nkọwapụta
| Ihe | Ọkọlọtọ |
| Al2O3 | ≥17% |
| Fe | ≤0.005% |
| PH (1% ngwọta mmiri mmiri) | ≥3 |