Address:
Beijing,China
Main Products:
soda ash,sodium carbonate,sodium sulphate,STPP,caustic soda
Ferrous Sulphate Heptahydrate
Quality standard of Ferrous Sulphate Heptahydrate
Appearance: Greenblue monoclinic crystal, soluble in water, glycerin,insoluble in alcohol,corrosion, air slaking and efflorescence.
Application: Used for agricultural pesticide, fertilizer,feed,pigment,catalyst, decontaminant, antisepticsand magnetic material etc.
Package: 25kg or 50kg net bag.
Storage: Kept in a light-proof, well-closed, dry and cool place.
Specification:
FeSO4.7H2O : 98% min.
Fe : 19.70% min
Pb : 20ppm max
Cd : 5ppm max
As : 5ppm max