... :Samarium oxideFormula:Tm2O3Appearance:Light yellow powderPurity:99.5%~99.9%TREO:>99%Impurities:Below the national standardUses:Used ... Oxide, Praseodymium Oxide, Neodymium Oxide, PR+ND Oxide, Samarium Oxide, Europium Oxide, Gadolinium Oxide, Yttrium Oxide, Terbium Oxide, Dysprosium Oxide, Holmium Oxide, Erbium Oxide, Thulium Oxide, Ytterbium Oxide, Lutetium Oxide and so on. China Cerium Oxide 99.9 ...