Oxide, praseodymium 

 Cas No. 12037-29-5 
 Formula Pr6O11 
 Molecular weight of 1021.44 

 Quality standards 
 Appearance of the Appearance the Black powder one 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to Structure, 
 Based On the Trace Metals, Analysis of purity Purity ≥ 99.999% 
 Pr pr (titration with complexometric) 82.0% - 83.0% 
 Total metallic impurities, Total metallic C. A 20ppm by by ICP Atomic emission 

 Traits dark brown dense powder, insoluble in water, soluble in inorganic acid to generate the corresponding salts, good electrical conductivity, electrical conductivity at 600 ° C is a million times in Pr2O3. 
 Density: 6.88 
 Melting point: 2042 ℃ 

 Use as a ceramic glaze, praseodymium yellow pigment, and rare earth permanent magnet alloy raw materials (the Dark brown powder, insoluble in water on and of soluble in mineral acids,).