Yttrium Fluoride

Yttrium fluoride is a white or transparent inorganic powder compound, composed of fluoride and the rare earth yttrium. It is insoluble in nitric, sulfuric, hydrochloric acids, and water, but dissolves in perchloric acid.

Glass (Optical)
Employed in the production of light-emitting materials, phosphors, optical glass, conversion luminescent material, fluoride glasses, and optical fibers.

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