Ferrous Sulphate

We are offering ferrous sulphate. Molecular formular: feso4.7h2o feso4.h2o quality index:feso4.7h2o feso4.h2o assay(as feso4.7h2o) 99.5%--104.5% assay(as feso4) 86.0%--89.0% as ≤ 0.0003% ≤ 0.0003% heavy metals(as pb) ≤ 0.001% ≤ 0.001% assay(as fe) 19.7%--20.9% 32.3%--33.6% uses:in food processing industry, it is used as nutritional supplement. packing:25kgs net paper bags or 25kgs net plastic woven bags.