nitrohydrochloric acid

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ni·tro·hy·dro·chlor·ic ac·id

(nī'trō-hī'drō-klōr'ik as'id),
An extremely caustic mixture that contains 18 parts nitric acid and 82 parts hydrochloric acid.
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aqua regia

Latin for a fuming, highly corrosive mixture of nitric and hydrochloric acids in a 1:3 ratio, so known as it dissolves noble (regal) metals gold and platinum.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.