Difference between revisions of "Aqua regia"
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* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 | * Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 | ||
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Latest revision as of 13:30, 6 June 2022
Description
Common name for an acid mixture that contains 3 parts Hydrochloric acid and 1 part Nitric acid. Aqua regia will dissolve all metals except Silver. In the 18th century, a block of tin was dropped in aqua regia to produce tin chloride. This dark red colorant was used in marbling book edges.
Synonyms and Related Terms
nitrohydric acid; yellow fuming liquid; nitro-muriatic acid; nitrohydrochloric acid; chloronitrous acid; chlorazotic acid; killed spirits
Applications
Used for testing gold and platinum
Risks
Toxic. Corrosive. Powerful oxidizing agent
Physical and Chemical Properties
Resources and Citations
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998.
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 404
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000