Oxidation of lutetium 

 Cas No. 12032-20-1 
 Formula Lu2O3 
 Molecular weight of 397.98 

 Quality standards 
 Purity ≥ 99.99% 
 Total rare earth impurities in the RE C. A, ppm: 
 Effect of La2O3 1ppm 
 Of CeO2 1ppm 
 Pr6O11 1ppm 
 Of Nd2O3 1ppm 
 Of Sm2O3 1ppm 
 Eu2O3 1ppm 
 Of Gd2O3 1ppm 
 Tb4O7 1ppm 
 Of Dy2O3 1ppm 
 Ho2O3 2ppm 
 Of Er2O3 2ppm 
 Tm2O3 2ppm 
 Yb2O3 18ppm 
 Of Y2O3 2ppm 
 Total rare earth TREO> 99% 
 Non-rare earth impurities Non-C. A, ppm: 
 Of Fe2O3 ≤ 3 
 Of SiO2 ≤ 20 
 Of CaO ≤ 15 
 Cl-≤ 150 
 Loss on ignition ≤ 0.28% Loss on ignition 

 Appearance White powder. Insoluble in water, soluble in acid. Easy to absorb carbon dioxide and moisture in the air. 
 Density: 9.42 
 Melting point: 2467 ℃ 
 Uses for the electronics industry and scientific research. Optical glass, electronic components, magnetic materials. Used primarily as the yttrium-iron and yttrium aluminum garnet, the activity of additives and phosphor materials used in the manufacture of special alloy.