... com Ferrous Sulphate HeptahydrateProduct Identification Product Name: Ferrous SulphateSynonyms: Iron (II) Sulfate, Green Vitriol, Copperas, Ferrous sulfate ... will be kept good for 12 months,the high quality type for one month. But qualified type must ... you will benefit from prices, quality, services, and convenient transportation. high purity coagulant iron sulfate water treatment for drinking ...