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