Dysprosium 

 Cas No. 7429-91-6 
 Formula Dy 
 Molecular weight of 162.50 

 Quality standards 
 Dysprosium ingot: 
 Appearance Appearance metal ingots 
 Of TREM (% Min) 99.5 
 Dy / of TREM (% Min) 99.95 ~ 99.99 
 Tot of the total rare earth impurities. Conc. Of imp. As of REO <0.1% 
 Rare Earth Impurities in Rare Earth lmpurities (%, Max) 
 Tb 0.0005 
 Gd 0.0004 
 Of Er 0.0005 
 Ho .0028 
 Y-0.0015 
 Non-rare earth impurities Non-RE lmpurities (%, Max) 
 Fe 0.004 
 Si 0.002 
 Ca 0.002 
 Mg 0.001 
 Al 0.004 
 Ni 0.0008 
 C, 0.01 
 O 0.005 

 Traits of needle-like crystals or massive, silver gray metallic luster. Hard, lively nature. Susceptible to oxygen oxidation, the rapid reaction with water, soluble in acid. Used for the production of magnet alloy. 
 ℃ boiling point: 2 335 
 Melting point: 1409 ℃ 
 Density: 8.550 
 Storage for taking the time to seal, sealed, argon, 
 Use for the production of phosphors, enamel and glaze, also used in the manufacture of infrared devices and laser devices, as well as the atomic energy industry.