Nitric acid oxidizes the metal to +three ions, but only in minute amounts, ordinarily undetectable during the pure acid due to the chemical equilibrium with the reaction. On the other hand, the ions are removed from the equilibrium by hydrochloric acid, forming AuCl−four ions, or chloroauric acid, thus enabling more https://gold09753.wiki-racconti.com/7529809/fascination_about_gold