| nitrohydrochloric acid |
aqua regia: a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)
출처: wordnet.princeton.edu/perl/webwn
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| nitrohydrochloric acid |
Aqua regia (Latin for "royal water") is a highly corrosive, fuming yellow liquid, formed by a fresh mixture of concentrated nitric acid (otherwise known as aqua fortis) and concentrated hydrochloric acid, usually in the ratio of one to three. It is one of the few reagents able to dissolve gold and platinum. It was so named because it can dissolve the so-called royal, or noble metals, although tantalum and a few other extremely passive metals are able to withstand it. ...
출처: en.wikipedia.org/wiki/Nitrohydrochloric_acid
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