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calcium fluoride
noun
- a white, crystalline compound, CaF 2 , insoluble in water, occurring in nature as the mineral fluorite: used as a flux in metallurgy and as a decay preventive in dentifrices.
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Example Sentences
Calcium fluoride must be first converted into sulphate by evaporation in a platinum dish with sulphuric acid.
From Project Gutenberg
Fluorine is frequently met with as calcium fluoride or fluor-spar (CaF2).
From Project Gutenberg
While the arcs with plain carbons are bluish-white, those with carbons containing calcium fluoride have a notable golden glow.
From Project Gutenberg
A number of the fluorides are known, but only one of them, calcium fluoride (CaF2), is of importance.
From Project Gutenberg
Milky glass is made by mixing calcium fluoride, tin oxide, or some other insoluble substance in the melted glass.
From Project Gutenberg
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