We are offering ammonium ceric nitrate (nh4)2ce(no3)6 m.w. 548.23 min. Assay (after drying) 98% max. Limits of impurities : chloride (ci) 0.05% sulphate (so4) 0.0025% iron (fe) 0.005% cas no : 16774-21-3 un no. 5.11477 tariff : 2846 10 90 r : 8-3638 s : 17-26-36 f :