... Industrial grade:(GB 2946-92) INSPECTION ITEMUNITFIRST GRADEREGULAR GRADEAmmonium chloride(As NH4Cl)%Min99.599.0Moisture%Max0.71.00Iron%Max0. ... 0-5.84.0-5.8Food grade ITEMFCCIVENTERPRISE STANDARDAmmonium chloride(NH4Cl)%99.0-101.099.5loss on Drying%0 ... Sodium hydrosulphide,Oxalic acid,Formic acid,Calcium formate,Zinc chloride,Ammonium bicarbonate,Sodium metabisulphite,Alum,Aluminium sulphate,Soda ash ...