... :2000 Standard SpecificationsIndexSome items are superior to the National StandardTotal nitrogen content(as dry basis) %25.4minNa(as dry basis) %0 ... it is not easy to volatilize. It is especially good for the growth of rice, wheat, corn, cotton, and vegetables etc ... 340 . It appears little corrosivity. Uses: It is mainly used for making dry cell and storage battery, ammonium salt, category ,dyeing ...