... 984-1Molecular formula: (NH4)2SO4Purity: 99% minNitrogen cotent: 20.5% minAppearance: Appearence:white, light yellow or light grey granule ... fertilizer,dying, chemical, leather, the raw material of ammonium persulfate,adjuvant, glufosinate ,herbicides,etc.Package: Can ... not damage the packing bags.Technical specifications of Ammonium Sulphate( National Standard GB535-1995) ItemSupreme gradeFirst ...