the applications of Lithium fluoride

In aqueous salts

Fluorine is produced by the electrolysis of aqueous potassium bifluoride. This electrolysis gain added calmly if the electrolyte contains a few percent of LiF, possibly because it facilitates accumulation of Li-C-F interface on the carbon electrodes. A advantageous aqueous salt, FLiNaK, consists of a admixture of Lithium fluoride, calm with sodium fluoride and potassium fluoride. THe primary coolant for the aqueous alkali reactor agreement was FLiBe; LiF-BeF_2 (66-33 mol%).

Optics

Because of its ample bandage gap, Lithium fluoride crystals are cellophane to abbreviate amicableness ultraviolet radiation, added so than any added material. LiF is accordingly acclimated in specialized UV optics.

Radiation detectors

It is aswell acclimated as a agency to almanac ionizing radiation acknowledgment from gamma rays, beta particles, and neutrons (indirectly, application the 6

3Li (n,alpha) nuclear reaction) in thermoluminescent dosimeters.

Nuclear reactors

Lithium fluoride (highly accomplished in the accepted isotope lithium-7) forms the basal basic of the adopted fluoride alkali admixture acclimated in liquid-fluoride nuclear reactors. Typically lithium fluoride is alloyed with beryllium fluoride to anatomy a abject bread-and-butter (FLiBe), into which fluorides of uranium and thorium are introduced. Lithium fluoride is awfully chemically abiding and LiF/BeF2 mixtures (FLiBe) accept low melting credibility (360 C - 459 C) and the best neutronic backdrop of fluoride alkali combinations adapted for reactor use. MSRE acclimated two altered mixtures in the two cooling circuits.

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From: Fluorides