Terbium(III) fluoride

Terbium(III) fluoride is an inorganic compound with chemical formula TbF3. It is hard to dissolve in water.[3] It can be produced by reacting terbium(III) carbonate and 40% hydrofluoric acid at 40°C.[4]

Terbium(III) fluoride
Names
Other names
terbium trifluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.846
EC Number
  • 237-247-0
Properties
TbF3
Molar mass 215.92
Melting point 1172℃[1]
Hazards
Lethal dose or concentration (LD, LC):
10 g/kg(rabbit)[2]
Related compounds
Other anions
terbium(III) chloride
terbium(III) br/omide
terbium(III) iodide
Other cations
gadolinium(III) fluoride
dysprosium(III) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Uses

Terbium(III) fluoride is used for producing metallic terbium.[5]

2 TbF3 + 3 Ca → 3 CaF2 + 2 Tb

References

  1. 无机化学丛书 第七卷 钪 稀土元素. 科学出版社. pp 212. 表 22.24 无水卤化物的物理常数.
  2. 雷春文. 氟化钇、铽、镱和镨的卫生标准[J]. 稀土信息, 1995(Z1):27-27.
  3. 氟化铽. Chemical Book. [2018-12-10]
  4. 王亚军, 樊宏伟. 氟化铽的沉淀方法及组成研究[J]. 化学世界, 1999(11):575-578.
  5. Schmidt, F. A., Peterson, D. T., & Wheelock, J. T. (1986). U.S. Patent No. 4,612,047. Washington, DC: U.S. Patent and Trademark Office.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.