... fertilizer 2.(NH4)2SO4 3.100% water soluble, no impurity 4.Large stock&fast delivery granular ammonium sulphate fertilizer ... medicine, leather, wood preservative, textile, plating, ferment, fertilizer. Standard (GB535-1995) IndexPremium GradeAppearancewhite crystal without any ... easily decompose poisonous smoke when heated. As fertilizer must attention Ammonium sulphate are acidic fertilizers. ...