Ammonium Sulphate 1, material form reputed manufacturer 2,Content of Nitrogen %:20. ... min 3,GB535-1995 4,Accept L/C / TT Ammonium Sulphate(ammonia sulphate) General informationClass ,Fertilizer /inorganic salt Molecular formula ,(NH4)2SO4Molecular ... for beer making13.Chemical agent14.Stroage battery making,etc Ammonium Sulphate agriculture grade