... uses: metallurgy, medicine, leather, wood preservative,plating, fertilizer Ammonium sulfate is an inorganic salt with a number of commercial ... is also used in the preparation of other ammonium salts.In biochemistry, ammonium sulfate precipitation is a common method for ... been used in flame retardant compositions acting much like diammonium phosphate. As a flame retardant, it lowers the combustion ...