Tags: Chemical Compound, Chemical Substance.
Aqua regia (Latin and Ancient Italian lit. royal water) aqua regis (Latin lit. king’s water) or nitro-hydrochloric acid is a highly corrosive mixture of acids a fuming yellow or red solution. The mixture is formed by freshly mixing concentrated nitric acid and hydrochloric acid optimally in a volume ratio of 1:3. It was named so because it can dissolve the so-called royal or noble metals gold and platinum.
