Metal praseodymium 
 praseodymium 

 Cas No. [7440-10-0] the MDL: - MFCD00011174 
 The Beilstein EINECS: - 231-120-3 
 Formula Pr 
 Molecular weight of 140.90 
 Alias ??Praseodymium Metal 
 Molecular Structure 
 Traits silver piece of metal or dark brown powder. Metallic luster, when the air is easily oxidized to be sealed. 
 Melting point: 931 ℃ 
 Boiling point: 3520 ℃ 
 Density: 6.71 

 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 
 Powder, 99.9% metals basis: 


 Appearance of the Appearance dark gray the Powder in. oil 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to Structure, 
 Purity Purity ≥ 99.9% Based on Trace Metals, Impurities of by ICP 
 ICP Assay Confirms Praeseodymium component 
 Trace metal analysis of the total metallic C. A ≤ 2000ppm by by ICP Atomic emission 



 Ingot, 99.9% metals basis: 


 Appearance of the Appearance dark gray ingot or rod in oil 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to Structure, 
 Purity Purity ≥ 99.9% Based on Trace Metals, Impurities of by ICP 
 ICP Assay Confirms Praeseodymium component 
 Trace metal analysis of the total metallic C. A ≤ 2000ppm by by ICP Atomic emission 



 99% 

 X-ray diffraction analysis of the X-Ray Diffraction Conforms to Structure, 
 Purity Purity ≥ 99.0% Based on Trace Metals, Impurities of by ICP 
 ICP Assay Confirms Praeseodymium component 
 Trace metal analysis of the total metallic C. A ≤ 10000ppm by by ICP Atomic emission 
 Storage seal filled with argon to save 
 The purpose is mainly used for SmPrCo, and PrFeB magnetic material. 
 UN No. 1383 
 Risk: R17- 
 Safety: S17- 
 Hazard: F -