hydrogen fluoride


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Related to hydrogen fluoride: Oxygen fluoride

hydrogen fluoride

n.
A colorless, fuming corrosive liquid or a highly soluble corrosive gas, HF, that is extremely toxic, used in the manufacture of hydrofluoric acid, as a reagent, catalyst, and fluorinating agent, and in the refining of uranium and the preparation of many fluorine compounds.

hydrogen fluoride

n
1. (Elements & Compounds) a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF
2. (Elements & Compounds) an aqueous solution of hydrogen fluoride; hydrofluoric acid

hy′drogen fluor′ide


n.
a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
[1905–10]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrogen fluoride - a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid
fluoride - a salt of hydrofluoric acid
References in periodicals archive ?
Greater Manchester Fire and Rescue Service said the man, aged in his 50s, suffered burns as he tried to connect a hydrogen fluoride gas cylinder to a pipeline.
High concentrations of hydrogen fluoride generated, leave the cell during the operation of anode replacing and aluminum tapping and thus directly endanger the health of employees.
The change in lubricant color indicative of lubricant decomposition was not observed in the controls and in six chemicals, including Boric Acid, Potassium Fluoride, Potassium Hydrogen Fluoride, Polyoxyethylene Nonylphenyl Ether, Potassium Hexafluoroaluminate and Triethanolamine Borate.
The Boeing test method employs a flamed heat source in a smoke chamber to gauge toxic fume concentration of six gases -- carbon monoxide (CO), hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen cyanide (HCN), nitrogen oxides (NOx) and sulfur dioxide (SO2) and concentration levels are recorded at specified time intervals.
The green belt comprises 1,840 specimens, including a species that is fluoride-tolerant, yet sensitive to hydrogen fluoride emissions, and therefore acts as a type of "early warning system" on higher than expected emission levels.
Toxicological profile for fluorine, hydrogen fluoride, and fluorides.
EPA found that the company used over 25,000 pounds each of ammonia, hydrogen fluoride and nitric acid in 2009 and failed to report information on its use of those chemicals.
The systems are designed to measure both flammable and toxic gases including methane and hydrogen sulfide, hydrogen fluoride, hydrogen chloride, ammonia and carbon dioxide.
Others such as hydrogen chloride and hydrogen fluoride are toxic.
The commercial acid is a solution of hydrogen fluoride in water.
fluorocarbons such as R22, hydrogen fluoride, and fluorspar - the mineral from which the fluorine atom is obtained).
The detectors "see" the four dangerous gases - carbon monoxide, hydrogen fluoride, nitric oxide, ozone - given off during welding operations.