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Definition of Aqua regia
1. Noun. A yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold).
Definition of Aqua regia
1. Noun. (obsolete inorganic chemistry) A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid. ¹
¹ Source: wiktionary.com
Medical Definition of Aqua regia
1. An alternative term for nitrohydrochloric acid. Origin: L. Royal water, so called from its power to dissolve gold (05 Mar 2000)
Lexicographical Neighbors of Aqua Regia
Literary usage of Aqua regia
Below you will find example usage of this term as found in modern and/or classical literature:
1. Journal of the American Chemical Society by American Chemical Society (1895)
"J. Lawrence Smith has shown that salts of ammonium are readily destroyed by aqua
regia, and it is well known that organic matter is oxidized thereby. ..."
2. A Dictionary of Chemical Solubilities: Inorganic by Arthur Messinger Comey, Dorothy Anna Hahn (1921)
"eked very slowly by aqua regia. y sol. in molten alkalies. (Granger, 1898, 77.
229.) pletely sol. in aqua regia if the action atly prolonged, ..."
3. Bulletin by Mysore Geologists' Association (1918)
"The aqua regia Method. The ore, if very finely ground, may be decomposed by
boiling with nitric and hydrochloric acids (aqua regia) and evaporating to ..."
4. The Collected Works of Sir Humphry Davy by Humphry Davy, John Davy (1840)
"ON AQUA-REGIA, OR NITRO-MURIATIC ACID.* IF strong nitrous acid, saturated with
nitrous gas, be mixed with a saturated solution of muriatic acid gas, ..."
5. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"The alloy of platinum and iridium with an iridium content up to 10% dissolves in
aqua regia slowly; an alloy of iridium content of 15% dissolves in aqua ..."
6. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1849)
"When metals are dissolved in aqua-regia, the nitric acid is almost ... The usual
proportions for aqua-regia are 1 part of nitric, and between 2 and 3 parts ..."
7. Manual of Qualitative Chemical Analysis by C. Remigius Fresenius (1897)
"A or a, insoluble in water, but soluble in hydrochloric acid, nitric acid, or in
aqua regia. I or i, insoluble in water, hydrochloric acid, or nitric acid. ..."
8. A Practical Treatise on Metallurgy: Adapted from the Last German Edition of by Sir William Crookes, Bruno Kerl, Ernst Otto Röhring (1868)
"Cast-iron vessels are also employed in the mint at St. Petersburg.t Parting of
Gold by means of aqua regia.—This method is usually employed for treating ..."
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