Lithium Fluoride (LiF)-Powder introduce:
Lithium fluoride is an inorganic compound with the chemical formula LiF. It is a colorless solid, that transitions to white with decreasing crystal size. Although odorless, lithium fluoride has a bitter-saline taste. Its structure is analogous to that of sodium chloride, but it is much less soluble in water. It is mainly used as a component of molten salts. Formation of LiF from the elements releases one of the highest energy per mass of reactants, second only to that of BeO.
Molar mass：25.939(2) g/mol
Appearance：white powder or transparent crystals,hygroscopic
Melting point：845 °C (1,553 °F; 1,118 K)
Boiling point：1,676 °C (3,049 °F; 1,949 K)
Solubility in water“0.127 g/100 mL (18 °C);0.134 g/100 mL (25 °C)
Solubility：soluble in HF;insoluble in alcohol
Magnetic susceptibility (χ)：−10.1·10−6 cm3/mol
Refractive index (nD)：1.3915
Crystal structure：Face-centered cubic
Used in specialized UV optics. Also used as a crystal in X-ray spectrometry. Widely employed in PLED (Polymer Light Emitting Diodes) and OLED (Organic Light Emitting Diodes) as a coupling layer to enhance electron injection. Found in liquid-fluoride nuclear reactors. Used to record ionizing radiation in thermoluminescent dosimeters. Component of molten salts.
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