Ferrous Sulfate
Specification | FeSO4·7H2O | FeSO4(dry basis) |
GB 29211-2012 | FCC V | GB 29211-2012 | FCC V |
Assay,w/ % | 99.5-104.5 | 99.5-104.5 | 86.0-89.0 | 86.0-89.0 |
Lead,w/ % | ≤0.0002 | ≤0.0002 | ≤0.0002 | ≤0.0002 |
Arsenic,w/ % | ≤0.0003 | ≤0.0003 | ≤0.0003 | ≤0.0003 |
Mercury,w/ % | ≤0.0001 | ≤0.0001 | ≤0.0001 | ≤0.0001 |
Insoluble,w/% | - | - | 0.05 | 0.05 |