Watch: How to spot fake metals with acids
The One Where We Put Stuff in Acid
WASHINGTON — Acids are reactive, with even weak acids like vinegar interacting with other materials to wow students. But strong acids can really put on a show. For example, aqua regia, or royal water, is a mixture of two strong acids -- hydrochloric and nitric acids – that can dissolve gold, a noble metal. This reaction can be put to use.
Watch as Reactions employs some acid know-how to explain a chemistry detective story to sort real gold from its imposters:
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American Chemical Society——Bio and Archives
American Chemical Society, ACS is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.