hydrofluoric acid


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hy·dro·fluor·ic ac·id

(hī'drō-flōr'ik as'id),
A solution of hydrogen fluoride gas in water; a poisonous, caustic, foaming liquid that is used to clean metals and can etch glass; extremely irritating to skin and lungs.

hydrofluoric acid

/hy·dro·flu·o·ric ac·id/ (-floor´ik) a gaseous haloid acid, HF, extremely poisonous and corrosive.

hydrofluoric acid

[hī′drōfloo͡r′ik]
a term applied to aqueous solutions of hydrogen fluoride, an organic acid used in dilute solutions for cleaning and etching. It is extremely poisonous, as well as corrosive to the skin.

hy·dro·fluor·ic ac·id

(hī'drō-flōr'ik as'id)
A solution of hydrogen fluoride gas in water.

hydrofluoric acid,

n a compound consisting of hydrogen and flourine. It is a very active, corrosive compound, used to etch glass and precious metals.

hydrofluoric acid

a glass etching agent; is in the effluent gases from some industrial plants making bricks, pottery, working aluminum. Creates a toxic hazard associated with industry. See also fluorosis.
References in periodicals archive ?
Recurrent life-threatening ventricular dysrhythmias associated with acute hydrofluoric acid ingestion: observations in one case and implications for mechanism of toxicity.
5% hydrofluoric acid at different application times (20, 40 and 60 s) on lithium disilicate surface during the processes of adherence to a resinous substrate.
Because of his job, Jeff would have been exposed to high amounts of the chemical, but House points out that hydrofluoric acid causes depleted calcium levels, while Jeff's are normal.
All the information on the dangers of hydrofluoric acid and the vulnerability of the Sunoco facility can be found in publicly available reports that are accessible with the click of a mouse.
Of these, 50 use hydrofluoric acid in their alkylation process, which provides high octane while maintaining low sulfur and nitrogen content.
9:45 Matrix Elimination Using Hydrofluoric Acid for Analysis of
Factors such as hydrofluoric acid concentration, sonication time, chemical etching, and activation process were considered in the design.
Aggressive and hazardous chemicals such as nitric or hydrofluoric acid can permeate PFA, FEP, and even PTFE primary tubing over time.
Minimalism was ascendant as Wilmarth came of age, and, after spending the late '60s as assistant to Tony Smith, he began to make sculpture from square and rectangular panes of glass, etching an expressive surface with hydrofluoric acid.