Ammonium Chloride Feed Grade (Treated Material) WC Code: 01-015-01 Sales Specifications Assay ( NH4Cl): â?¥ 99.5 PCT Moisture: â?¤ 0.7 PCT Fe: â?¤ 0.001 PCT Heavy Metal (As Pb): â?¤ 0.0005 PCT Sulphate (As SO4): â?¤ 0.02 Residue on ignition: â?¤ 0.08 Ph Value: 4.0-5.8 Packing 50 lb paper bag, 44 bags per pallet or In 1000kg super sack.