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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
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References in periodicals archive ?
Samsung, for instance, has stepped up testing of non-Japanese photoresists and hydrogen fluoride, several sources familiar with the chip supply chain said.
The price of Soulbrain's shares shot up in early July as the company gained attention for possibly being able to substitute for Japan's exports of hydrogen fluoride, which came under new restrictions.
A company, which wished to remain low-profile when contacted by The Korea Herald, is a local producer of hydrogen fluoride, whose share price surged 40 percent on Tuesday from June 28, a day before the export curbs were announced.
The chemical bonding is a wide universe to be explored even though might be guided by the functionality of the "bonding zoo" [80] (F.O.N.) in the hydrogen fluoride dimer, water and ammonia.
As shown in Figure 1, in the (HFO Blend)/POE system, the change in lubricant color indicative of lubricant decomposition was not observed at the low as well as high concentration in the control and in twelve chemicals (including polyoxyethylene nonylphenyl ether, propylene glycol, sodium gluconate, EDTA, iron (III) phosphate dihydrate, sodium molybdate, sodium paratoluene sulfonate, potassium hydrogen fluoride, trisodium phosphate dodecahydrate, sodium carbonate, neodecanoic acid, and ferric chloride), while five chemicals (benzotriazole, ethanolamine, chloroparaffin, hydroxyethyl cellulose, and sodium palmitate) showed color changes at both concentrations.
They include: ammonia, hydrogen fluoride, cadmium and thallium, mercury, lead, cobalt, nickel, arsenic, zinc, vanadium, copper, chromium, manganese, dioxin-like polychlorinated biphenyls (PCBs), and benzo(a)anthracine and benzo(b)fluoranthene.
Fire crews responded to reports of a leak of hydrogen fluoride at an industrial plant on Lever Street in Bolton.
Acidic pH favors the formation of hydrogen fluoride (HF).
Hydrogen fluoride (HF), as a byproduct of the electrolysis of alumina, is one of the most harmful gases when it comes to impact on human health and therefore place great emphasis on the reduction in the working environment [1].
(5) Author in this study postulated that at lower pH, hydrogen fluoride reaction move towards left and will be less in dissociated form.
However, Quantitech MD Ken Roberts says: "Customers will be particularly interested in this certificate because of the exceptionally good figures for Hydrogen Fluoride, Nitrogen Oxide and Formaldehyde"