hydrofluoric acid


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hy·dro·fluor·ic acid

 (hī′drō-flo͝or′ĭk, -flôr′-)
n.
A colorless, fuming, corrosive, dangerously poisonous aqueous solution of hydrogen fluoride, HF, used to etch or polish glass, pickle certain metals, and clean masonry.

hydrofluoric acid

n
(Chemistry) the colourless aqueous solution of hydrogen fluoride: a strong acid that attacks glass

hy′dro•fluor′ic ac′id

(ˌhaɪ drəˈflʊər ɪk, -ˈflɔr-, -ˈflɒr-)
n.
a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
[1815–25]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrofluoric acid - a weak poisonous liquid acid; formed by solution of hydrogen fluoride in water
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
References in periodicals archive ?
[ClickPress, Fri May 03 2019] This report focuses on the study of electronic grade hydrofluoric acid at the global and regional level.
Summary: TEHRAN (FNA)- A source in the Turkish attorney general's office revealed that the investigative team found traces of hydrofluoric acid and other chemicals inside a well at the Saudi consul general's home in Istanbul.
Methods: Twelve blocks of lithium-disilicate (LD) ceramic were fabricated and bonding surfaces were etched using 9.5% hydrofluoric acid (90 seconds).
The three citations stem from Exxon's failure to repair a three-inch nozzle that caused a leak of hydrofluoric acid used in the alkylation unit on Sept.
Fume hoods include: a counterbalanced vertical sliding clear viewing sash in either polycarbonate, where hydrofluoric acid is being used, or tempered glass, for other applications; a vapor-proof T-5 fluorescent light fixture; a pre-wired switch; and a remote control water fixture with builtin spray nozzles if washdown is required.
San Francisco, CA, June 04, 2015 --(PR.com)-- A surge in the manufacturing of the hydrofluoric acid and steel making market is expected to bolster the global fluorspar market.
The complex has a production capacity of 60,000 tonnes/annum aluminium fluoride (AlF3), 140,000 tonnes/annum sulphuric acid (H2SO4) and 54,000 tonnes/annum hydrofluoric acid (HF), in addition to a water purification plant.
have also reported that flexural strength and flexural modulus of fiber posts were not influenced by pretreatment with silane, airborne particle abrasion and hydrofluoric acid. Lately, more promising results were achieved by Kern and Asmussen with the use of a specific protocol: 50[eth]-m aluminum oxide, 2.5 bars, 5 seconds, 30 mm distance.
Tatsujiro Fukasawa, 40, allegedly put hydrofluoric acid, a highly caustic chemical, in her shoes in December last year, a police spokeswoman and reports said.
28 (Xinhua-ANI): One was killed and four were wounded after hydrofluoric acid gas leaked at a chip plant of Samsung Electronics, the world's largest memory chip maker, local media reported on Monday.
About 70 elderly residents left their village, Bongsan-ri, in Gumi by two buses to Baekhyeon-ri, about six kilometres (3.7 miles) away, to avoid the fallout from the September 27 leak of about eight tons of hydrofluoric acid.
What standard type of container can not be used for the storage of hydrofluoric acid - and why?