a.1.(Chem.) Pertaining to, derived from, or consisting of, fluorine and boron.
Fluoridic acid
(Chem.) a double fluoride, consisting essentially of a solution of boron fluoride, in hydrofluoric acid. It has strong acid properties, and is the type of the borofluorides. Called also borofluoric acid.
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treatment with hydrogen peroxide, hydrochloric acid, fluorosilicic acid, fluoboric acid, and the removal of heavy minerals using a sodium polytungstate solution.