... Dy2O3 <0.010 Er2O3 <0.010 Yb2O3 <0.010 Y2O3 CeO2 0.037Nd2O3 74.75Eu2O3 <0.010Tb4O7 <0.010Ho2O3 <0.010Tm2O3 ... 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 ...