Lutetium Oxide Formula: Lu2O3; M.Wt: 397.98 RE purity: min 99.99% RE impurities: max100ppm La2O3max 1ppm CeO2max 1ppm Pr6O11max 1ppm Nd2O3max 1ppm Sm2O3max 1ppm Eu2O3max 1ppm Gd2O3max 1ppm Tb4O7max 1ppm Dy2O3max 1ppm Ho2O3max 2ppm Tm2O3max 2ppm Er2O3max 2ppm Yb2O3 max 10ppm Y2O3max 2ppm TREO: min 99% Non-RE impurities: Fe2O3 max 3ppm SiO2 max 20ppm CaO max 15ppm Cl- max 150ppm Loss on ignition: max 1% DESCRIPION: White powder, insoluble in water, soluble in acids. USES: For electronic industry and scientific research. PACKING: According to the requirements of clients.