Sulphate ya Ferric
Vipimo
| Kipengee | Kawaida |
| Al2O3 | ≥17% |
| Fe | ≤0.005% |
| PH (1% ufumbuzi wa maji) | ≥3 |
Andika ujumbe wako hapa na ututumie
Vipimo
| Kipengee | Kawaida |
| Al2O3 | ≥17% |
| Fe | ≤0.005% |
| PH (1% ufumbuzi wa maji) | ≥3 |