Neodymium Oxide Formula:Nd2O3;M.Wt:336.40 RE purity:≥99.99% RE impurities: La2O3≤10ppm CeO2≤10ppm Pr6O11≤30ppm Sm2O3≤10ppm Eu2O3≤10ppm Gd2O3≤5ppm Tb4O7≤2ppm Dy2O3≤2ppm Ho2O3≤2ppm Er2O3≤2ppm Tm2O3≤2ppm Yb2O3≤2ppm Lu2O3≤2ppm Y2O3≤5ppm TREO:≥99% Non-RE impurities:Fe2O3 ≤ 3ppm SiO2 ≤ 20ppm CaO ≤ 10ppm Cl- ≤150ppm ZnO ≤ 5ppm CuO ≤ 3ppm NiO ≤ 3ppm PbO ≤ 3ppm Loss on ignition: ≤ 1% DESCRIPION: Pale violet powder, hydroscopic, insoluble in water, soluble in mineral acids. USES: For making permanent magnets, laser material , stain of glass and ceramics and as additive of rubber PACKING: According to the requirements of clients.