We speciality deal in Ammonium Chloride -------Ammonium Chloride Tech. Grade,Spec.:Purity:99.5%min Moisture:0.7%max Fe Content:0.001%max Remnant of Combustion:0.4%max Heavy Metal(Pb):0.0005%max Sulphate:0.02%max PH Value(200g/L,25):4.0-5.8Packing:In 50kg/wpp bag Ammonium Chloride