Description
Fertilizer As a specialized manufacturer and exporter in China, Our ferrous heptahydrate enjoys superior features of high water solubility, high Fe % and less caking risks. It is especially good for fertilizer as Fe supplement and treatment of waste water as coagulants. Typical Analysis- FeS04 7H2 O : 98% min
- Iron (Fe) as Sulphate : 19.5%
- Sulphur (S) as Sulphate : 11.0%
- Lead (Pb) : 19ppm max
- Arsenic (As) : 3ppm max
- Cadmium (Cd) : 10ppmmax
- Water insoluble matter : 0.4% max