99.9% metals basis：


外观Appearance                          无色至白色结晶或粉末
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.9% Based On Rare Earth Analysis of ICP
铽Tb                                    41.5 - 43.6 % (Complexometric EDTA)
ICP:                                    Confirms Terbium Component Confirmed
痕量稀土金属分析Trace Rare Earth Analysis ≤2000ppm by ICP Atomic emission
(Ba、B、Ca、Ce、Cu、Eu、Ho、Fe、La、Pb、Lu、Pr、Sm、Sc、Na、Yb、Zn)



99.999% metals basis：


外观Appearance                          白色结晶粉末
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.999% Based On Rare Earth Analysis of ICP
铽Tb                                    40.8 - 43.6 % (Complexometric EDTA)
ICP:                                    Confirms Terbium Component Confirmed
痕量稀土金属分析rare earth elements     ≤20ppm by ICP Atomic emission
其它金属杂质other metallic impurities   ≤100ppm by ICP Atomic emission
(Ba、B、Ca、Ce、Cu、Eu、Ho、Fe、La、Pb、Lu、Pr、Sm、Sc、Na、Yb、Zn)