HCl),(HNO3) Mixture of hydrochloric and nitric acids. It is an extremely destructive mixture and can dissolve gold and platinum, as well as many other minerals.
or aqua regis: a mixture of concentrated nitric and hydrochloric acids capable of dissolving the "royal metal" gold. [Scheele
Mixture of Hydrochloric Acid (HCl), Nitric Acid (HNO3) and de-mineralised water (2:2:2).A strong acid digestion capable of decomposing metal salts, carbonates, sulphides, most sulphates and some oxides and silicates.Aqua Regia will digest precious metals including Au, Ag, Pt and Pd.
a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)
Literally, "royal water," an acid capable of dissolving gold, usually prepared in the early modern period by dissolving sal ammoniac in aqua fortis, and today by mixing a three-to-one ratio of hydrochloric acid and nitric acid.
A mixture containing one part nitric acid to four parts of hydrochloric acid which is strong enough to dissolve gold and platinum.
A mixture of nitric and hydrochloric acids, usually 1:3 or 1:4 parts HNO3 to HCl, used to dissolve gold.
A mixture of nitric acid and hydrocloric acid, used in processing ore to dissolve gold and platinum.
Aqua regia is a 3:1 mixture of hydrochloric acid and nitric acid. Aqua regia is used to test gold and platinum; it is one of the few substances that can dissolve gold and platinum.
Aqua regia (Latin for "royal water") is a highly corrosive, fuming yellow or red solution. The mixture is formed by freshly mixing concentrated nitric acid and concentrated hydrochloric acid, usually in a volumetric ratio of one to three. It is one of the few reagents that dissolves gold and platinum.