Terbium oxide 

 Cas No. 12037-01-3 
 Formula Tb4O7 
 Molecular weight of 747.70 

 Quality standards 
 Appearance of the Appearance Brown, the Powder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.999% Based on the Trace of Rare Earth, Analysis of by ICP 
 ICP: Confirms Terbium Component Confirmed 
 Terbium TB 82.8-84.2% (Complexometric of EDTA) 
 Trace Metal Analysis of Trace Rare Earth Analysis ≤ 20ppm by by ICP Atomic emission 

 Traits tan powder, insoluble in water, soluble in acid. Password: 7.3 

 Use as a fluorescent material incorporation agent active agent and garnet.