Magnesium fluoride

Magnesium fluoride

MgF₂ White, fluorescent crystals; insoluble in water and alcohol, soluble in nitric acid; melts at 1263_C; used in ceramics and glass. Also known as magnesium flux.

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Part of Speech: noun
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Industry/Domain: Chemistry
Category: Inorganic chemistry
Company: McGraw-Hill
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Related terms

magnesium fluoride

Chemistry; Inorganic chemistry

MgF 2 White, fluorescent crystals; insoluble in water and alcohol, soluble in nitric acid; melts at 1263_C; used in ceramics and glass. Also known as magnesium flux.

magnesium fluoride phosphor

Engineering; Electronic engineering

A substance used as a phosphor coating on the screen of a verylong- persistence cathode-ray tube. The fluorescence and phosphorescence are orange.

zinc magnesium fluoride phosphor

Engineering; Electronic engineering

A substance used as a phosphor coating for cathode-ray-tube screens. It glows orange.

fluoride

Chemistry; Inorganic chemistry

A salt of hydrofluoric acid, HF, in which the fluorine atom is in the _1 oxidation state.

fluoride

Health care; Cancer treatment

A form of the element fluorine that helps prevent tooth decay. Fluoride may be naturally present in drinking water or may be added to it. Fluoride may also be put directly on the ...

fluoride

Health care; Dentistry

Topical application of a gel or liquid that prevents decay.

yttrium oxide

Chemistry; Inorganic chemistry

Y 2 O 3 A yellowish powder, insoluble in water, soluble in dilute acids; used as television tube phosphor and microwave filters. Also known as yttria.

calcium sulfate

Chemistry; Inorganic chemistry

1. CaSO 4 A white crystalline salt, insoluble in water; used in Keene’s cement, in pigments, as a paper filler, and as a drying agent. 2. Either of two hydrated forms of the ...

magnesium bromide

Chemistry; Inorganic chemistry

MgBr 2 _6H 2 O Deliquescent, colorless, bitter-tasting crystals, melting at 172_C; soluble in water, slightly soluble in alcohol; used in medicine and in the synthesis of organic ...

silicon halide

Chemistry; Inorganic chemistry

A compound of silicon and a halogen; for example, SiBr 4 , Si 2 Br 6 , SiCl 4 , Si 2 Cl 6 , Si 3 Cl 8 , SiF 4 , Si 2 F 6 , SiI 4 , and Si 2 F 6 .

yttrium sulfate

Chemistry; Inorganic chemistry

Y 2 (SO 4 ) 3 _8H 2 O Reddish crystals that are soluble in concentrated sulfuric acid, slightly soluble in water; decomposes at 700_C; used as an analytical reagent.

calcium sulfide

Chemistry; Inorganic chemistry

CaS In pure form, white cubic crystals, slightly soluble in water; used as a base for luminescent materials. Also known as hepar calcies; sulfurated lime.