sodium fluoroaluminate

chemical compound

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In chemical industry: Aluminum refining
…with a flux consisting of sodium fluoroaluminate (Na₃AlF₆), usually called cryolite. After starting the process, the cryolite is not used up in massive quantities, but a small supply is needed to make up for inevitable losses. Cryolite is a rare mineral, however, found in commercial quantities only in Greenland. The…
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