黑色金属硫酸也超高(全是营养品)

1)Ferrous sulphate monohydrate Powder/Granular Formula:FeSO4·H2O CAS NO.:13463-43-9 Specification: DescriptionFeed GradeTech GradePurity91% min91% minFe30% min30% minPb(Lead)15ppm max20ppm maxAs(Arsenic)2ppm max10ppm maxCd(Cadmium)5ppm max10ppm max 2)Uses Industrially,ferrous sulphate is mainly used as a precuror to other iron compounds. It is a reducing agent,mostly for the reduction of chromate in cement. Nutritional supplement Together with other iron compounds,ferrous sulphate is used to fortifyfoods and treat iron-deficiency anemia.constipation is a frequent and uncomfortable side effect associated with the administration of oral iron supplements.Stool softeners often are prescribed to prevent constipation. Colorant Ferrous sulphate can also be used to stain concrete and some limestones and sandstones a yellowish rust color. Water treatment Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.