China Ferrous Sulfate Heptahydrate 99% for Waste Water Industry, Find details about China Ferrous Sulfate Heptahydrate, Ferrous Sulphate Heptahydrate from Ferrous Sulfate Heptahydrate 99% for Waste Water Industry
Item | Standard |
Fe ≥ | 19.9 % |
Pb ≤ | 20 ppm |
As ≤ | 2 ppm |
Cd ≤ | 5 ppm |