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calcium fluoride

American  

noun

  1. 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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Room to improve: Add a mineralizer such as calcium fluoride or sulfate to lower the lime’s melting temperature, saving energy.

From Scientific American Feb. 9, 2023

Solid calcium fluoride can also be prepared by the reaction of aqueous solutions of calcium chloride and sodium fluoride, yielding aqueous sodium chloride as the other product.

From Textbooks Feb. 14, 2019

For example, the usual method of preparing hydrogen fluoride is by heating a mixture of calcium fluoride, CaF2, and concentrated sulfuric acid:

From Textbooks Feb. 14, 2019

Heating the hydroxide produces aluminum oxide, Al2O3, which dissolves in a molten mixture of cryolite, Na3AlF6, and calcium fluoride, CaF2.

From Textbooks Feb. 14, 2019

Calcium phosphate is attacked in the cold like lime, giving out a brilliant white light, and producing calcium fluoride and gaseous oxyfluoride of phosphorus, POF3.

From Scientific American Supplement, No. 832, December 12, 1891 by Various

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