... our tech-parameter in our company, It is for reference. RE-impurities(%)La2O3 0.011Pr6O11 25.01Sm2O3 <0.010 Gd2O3 <0 ... like: Lanthanum Oxide, Cerium 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 ...