hydrofluoric acid

Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

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.

Occupational hydrofluoric acid injury from car and truck washing--Washington State, 2001-2013

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.

Evaluacion in vitro del efecto de la concentracion y el tiempo de aplicacion del acido fluorhidrico sobre la adhesion al disilicato de litio

Hydrofluoric acid should seek immediate medical attention.

Acid alert as graffiti craze hits the region; Acid used in a new graffiti craze has led to an urgent warning from the North East Ambulance Service. Health Reporter HELEN RAE explains

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.

No more Mr Nice Guy; HOUSE (Five, 9pm)

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.

The next attack: terrorists in Iraq are becoming proficient at blowing up oil refineries. Similar plants in a handful of American cities represent our greatest vulnerability. We could easily be making them less dangerous. But we're not

Of these, 50 use hydrofluoric acid in their alkylation process, which provides high octane while maintaining low sulfur and nitrogen content.

Preventing catastrophic chemical attacks

9:45 Matrix Elimination Using Hydrofluoric Acid for Analysis of

Marine and atmospheric sciences

Factors such as hydrofluoric acid concentration, sonication time, chemical etching, and activation process were considered in the design.

Optimization and performance analysis of copper immersion coating on AZ91 magnesium alloy

The zeolite template was removed by etching in 48% hydrofluoric acid for 6 hr.

Comparison of ultrastructural cytotoxic effects of carbon and carbon/iron particulates on human monocyte-derived macrophages

Aggressive and hazardous chemicals such as nitric or hydrofluoric acid can permeate PFA, FEP, and even PTFE primary tubing over time.

Chemical fastener accessories

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.

Christopher Wilmarth: Fogg Art Museum, Harvard University Art Museums

These substances are produced when hydrofluoric acid (HF) is used in semiconductor manufacturing.

Cleanup technologies enhance HF waste control: fluorides present in semiconductor manufacturing waste are an environmental concern. Different treatments are available to manage this waste and meet compliance levels. (Keywords: environmental chemistry: pollution: semiconductors)