Ferrous sulfate
Litlhaloso
Ntho | Standard |
Fe2+ | ≥17.6 % |
Lintho tse sa keneng | ≤0.1 % |
Hg | ≤0.00001 % |
Cr | ≤0.0005 % |
As | ≤0.002 % |
Pb | ≤0.002 % |
Ngola molaetsa wa hao mona mme o re romele wona