Definitions for "Hydrofluoric Acid"
Chemical formula: HF See also: Chemical Table.
The only acid that will dissolve glass. Neat, it leaves a clear finish; in conjunction with sulphuric acid, it produces a high gloss finish used in polishing lead glass; in mixture with ammonia, it produces frosting
a poisonous solution of hydrogen fluoride gas in water. This colorless, fuming liquid is extremely corrosive and will etch glass. Hydrofluoric acid is used to etch silicon dioxide and, when combined with other acids, silicon.