Whero Whero
Taonga: Ferric Sulphate
Nama CAS: 10028-22-5
Tātai：Fe2(Nō reira4)3
Tātai Hanganga：
Ngā Whakamahinga: Hei whakapūkara, ka taea te whakamahi whānuitia mō te tango i te paru mai i ngā wai ahumahi me te maimoatanga o ngā wai para ahumahi mai i ngā maina, te tā me te tae, te hanga pepa, te kai, te hiako me ētahi atu. Ka taea hoki te whakamahi i roto i ngā mahi ahuwhenua: hei tongi, hei patu taru, hei patu pepeke.
Ngā Whakatakotoranga
| Taonga | Paerewa |
| Al2O3 | ≥17% |
| Fe | ≤0.005% |
| PH（1% otinga wai） | ≥3 |
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