Praseodymium / nano-oxide, praseodymium oxide 
 Praseodymium (III, IV) oxide 

 Cas No. [12037-29-5] the MDL: - MFCD00011178 
 The Beilstein EINECS: - 234-857-9 
 Formula Pr6O11 
 Molecular weight of 1021.44 
 Alias ??Praseodymia 
 praseodymium oxide 
 Molecular Structure 
 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 ℃ 

 Note: The above description is for reference only, does not mean that you receive the product with this description exactly matches the standard of products manufactured, see the quality standards. 
 Quality standards 
 99.999% metals basis: 


 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 


 99.9% metals basis: 


 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 ≥ 99.9% 
 Pr pr (titration with complexometric) 80.7% -85.7% 
 Total metallic impurities, Total metallic C. A 2000ppm by by ICP Atomic emission 


 50nm spherical, 99.5%: 


 Appearance appearance Brown to black powder one 
 pr (complexometric titration) 80.7% -85.7% 
 Based On the Trace Metals, Analysis purity Purity ≥ 99.5% 
 Total metallic impurities, Total metallic C. A 2500ppm by by ICP Atomic emission 
 ICP assay confirms praseodymium component 
 The diameter of the particle size <200 nm (BET) 
 Measurement measurements <50 nm (XRD) 


 Storage 
 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,). 
 UN number 
 Risk: R36/37/38- 
 Safety: S26-S37/39- 
 Hazard: Xi -