氧化铽
Terbium oxide
Cas号 【12037-01-3】  MDL:  --MFCD00083151
Beilstein   EINECS:  --234-856-3
分子式 Tb4O7
分子量 747.70
别名 Terbia
Terbium(III,IV) oxide
　
分子结构式 
 
性状 棕褐色粉末，不溶于水，溶于酸。
密: 7.3 
  　
备注:  以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。
质量标准  
  99.9% metals basis:

外观Appearance                          Brown to Brown-Black Powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.9% Based on Trace Rare Earth Analysis of ICP
ICP:                                    Confirms Terbium Component Confirmed
铽Tb                                    83.3 - 86.7 % (Complexometric EDTA)
痕量金属分析Trace Rare Earth Analysis   ≤2000ppm by ICP Atomic emission
(Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn)

99.99% metals basis:

外观Appearance                          Brown Powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Rare Earth Analysis of ICP
ICP:                                    Confirms Terbium Component Confirmed
铽TB                                    82.8-84.2 % (Complexometric EDTA)
痕量金属分析Trace Rare Earth Analysis   ≤100ppm by ICP Atomic emission
(Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn)

99.999% metals basis:

外观Appearance                          Brown Powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.999% Based on Trace Rare Earth Analysis of ICP
ICP:                                    Confirms Terbium Component Confirmed
铽TB                                    82.8-84.2 % (Complexometric EDTA)
痕量金属分析Trace Rare Earth Analysis   ≤20ppm by ICP Atomic emission
(Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn)
　
贮存 　
用途 用作荧光材料激活剂和石榴石的掺入剂。
联合国编号 
Risk：  　
Safety :  S24/25 - 
Hazard :