1.ammonium sulphate fertilizer 2.(NH4)2SO4 3.100% water soluble, no impurity 4.Large stock&fast delivery Application: ... It is used in metallurgy, medicine, leather, wood preservative, textile, plating, ferment, fertilizer ... uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24 ...