Europiumoxid (99,99%)

Europium Oxide Formula:Eu2O3;M.Wt:351.02 RE purity:min 99.99% RE impurities:max 100ppm: La2O3 max 5ppm CeO2 max 5ppm Pr6O11 max 5ppm Nd2O3 max 5ppm Sm2O3 max 5ppm Gd2O3 max 5ppm Tb4O7 max 5ppm Dy2O3 max 5ppm Ho2O3 max 5ppm Er2O3 max 5ppm Tm2O3 max 5ppm Yb2O3 max 5ppm Lu2O3 max 5ppm Y2O3 max 5ppm TREO:min99% Non-RE impurities:Fe2O3max 3ppm SiO2max 20ppm CaOmax 10ppm Cl- max 80ppm CuOmax 3ppm PbOmax 5ppm NiOmax 3ppm ZnOmax 5ppm Loss on ignition:max 1% DESCRIPION: Pinkish white powder, insolubilize in water, solubilize in mineral acids. It readily picks up moisture and carbon dioxide from atmosphere. USES: As an activator of various phosphor, especially of red emitting phosphor, and as a material of bar for neutron controlling in nuclear reactor.