fuming nitric acid


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fum·ing ni·tric ac·id

contains about 91% nitric acid; used as a caustic.

fuming nitric acid

Concentrated nitric acid (more than 86% nitric acid) that emits toxic fumes that cause choking if inhaled.
See: fumes
See also: acid
References in periodicals archive ?
Among toxic industrial materials that are considered highly hazardous are ammonia, chlorine, formaldehyde, hydrogen cyanine, fuming nitric acid, phosgene, and sulfur dioxide.
Then the missiles, 15 high-explosive warheads and 83 drums of inhibited red fuming nitric acid, an agent used in Scud fuel, were discovered.
(Polypropylene does not hold up well to very strong oxidizers, such as fuming nitric acid, but then such materials are rarely filtered or generated as waste in secondary containers.