Definitions for "Aqua regia"
Keywords:  nitric, hydrochloric, hno, regia, hcl
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.