Terbium(III) fluoride is an

inorganic compound In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemist ...

with chemical formula TbF₃. It is hard to dissolve in water. It can be produced by reacting terbium(III) carbonate and 40%

hydrofluoric acid Hydrofluoric acid is a Solution (chemistry), solution of hydrogen fluoride (HF) in water. Solutions of HF are colourless, acidic and highly Corrosive substance, corrosive. It is used to make most fluorine-containing compounds; examples include th ...

at 40°C.

Uses

Terbium(III) fluoride is used for producing metallic

terbium Terbium is a chemical element with the symbol Tb and atomic number 65. It is a silvery-white, rare earth metal that is malleable, and ductile. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with wa ...

.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. :2 TbF₃ + 3 Ca → 3 CaF₂ + 2 Tb

References

{{Lanthanide halides Terbium compounds Fluorides Lanthanide halides