China 98% Ferrous Sulphate Price Feso4.7H2O Ferrous Sulphate Heptahydrate Iron for Water Treatment, Find details about China Ferrous Sulphate, Water Treatment from 98% Ferrous Sulphate Price Feso4.7H2O Ferrous Sulphate Heptahydrate Iron for Water Treatment
ITEM | Index |
FeSO4·7H2O | ≥98% |
Fe, % | ≥19% |
As% | ≤0.0004 |
Pb% | ≤0.002 |
Cd, % | ≤0.0005 |