详细介绍
- Appearance:blue-green crystal
Conent (FeCl2):62.5%
Conent (FeCl2·4H2O):98%min
HCL:0.1%max
Insolubles in water:0.1%max
sulphate (SO4):0.005%max
Iron of high valence (Fe3+):0.1%max
Copper (Cu):0.005%max
Arsenic (As):0.002%max
Zinc(Zn):0.01%max
Lead (Pb):0.006%max
Ni:0.01%max
Co:0.05%max
Mn:0.1%max