ammonium fluoride


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ammonium fluoride

[ə′mōn·yəm ′flu̇r‚īd]
(inorganic chemistry)
NH4F A white, unstable, crystalline salt with a strong odor of ammonia; soluble in cold water; used in analytical chemistry, glass etching, and wood preservation, and as a textile mordant.
References in periodicals archive ?
Aqaba, Jan 7 (Petra) -- One worker died and four were injured on Saturday for inhaling carbon dioxide during repairs of an ammonium fluoride storage tank at an industrial facility in the port city of Aqaba.
He said the injured were in a stable condition in hospital, but added they inhaled carbon fumes not ammonium fluoride.
The Silicon (III) wafers were cleaned with Piranha solution, etched with ammonium fluoride, chlorinated in a vacuum chamber and the eight arm PEG attached.
Air Liquide's on-site generated/purified chemistries include 1-29 percent ammonium hydroxide (NH4OH), 40 percent ammonium fluoride (NH4F), 30 percent H2O2 and various etching solutions.
Treating the wafer with ammonium fluoride can smooth out that roughness, leaving the surface perfectly flat, says Melissa A.
III Inorganic-fluoride III-1 Hydrogen fluoride III-2 Potassium fluoride III-3 Sodium fluoride III-4 Ammonium fluoride and ammonium bifluoride III-5 Aluminum fluoride and cryolite III-6 Others
ACL-585 is 100% water soluble and non-flammable, plus it is free from ethylene glycols, ammonium fluoride, HF, NMP, DMSO, and hydroxylamine.
Remptech's new method of cobalt and nickel powder production, using ammonium fluoride salts, has many applications for industrial and commercial metallic powders.
In addition to HF, AlliedSignal also offers HF derivative products in 100 ppt quality, including dilute aqueous HF, ammonium hydroxide, ammonium fluoride solution and buffered oxide etchants (BOEs).
The current formula contains high levels of ammonium bifluoride and ammonium fluoride which can be quickly fatal to small children, if ingested.