Min. Order Reference FOB Price
1 Ton US$100.00-300.00 / Ton
Product Description
Product Description Ferrous sulfate (green alum) Molecular formula . An inorganic compound, anhydrous ferrous sulfate is a white powder, soluble in water, the aqueous solution is light green, and its heptahydrate (green alum) is common. Mainly used for water purification, photo-engraving ...