Te Whero Whero
Taonga: Ferrous Sulfate
Nama CAS: 7720-78-7
Tātai：FeSO44
Tātai Hanganga：
Ngā Whakamahinga: 1. Hei whakapūkara, he pai tōna kaha ki te tango tae.
2. Ka taea e ia te tango i ngā katote konganuku taumaha, te hinu, te whākōkī i roto i te wai, ā, kei a ia te mahi whakahoromata, me ētahi atu.
3. He pānga mārama tōna ki te tango i te tae me te COD o te wai para tā me te tae, me te tango i ngā konganuku taumaha i roto i te wai para whakakikorua hiko.
4. E whakamahia ana hei tāpiri kai, hei tae, hei rauemi mata mō te umanga hiko, hei tango haunga mō te hauwai whanariki, hei whakangawari oneone, hei whakakorikori mō te umanga, me ētahi atu.
Ngā Whakatakotoranga
| Taonga | Paerewa |
| Fe2+ | ≥17.6 % |
| Rauemi kore-rewa | ≤0.1 % |
| Hg | ≤0.00001 % |
| Cr | ≤0.0005 % |
| As | ≤0.002 % |
| Pb | ≤0.002 % |
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