Aqua Regia Container

Aqua regia solution is very energetic and potentially explosive.

Aqua regia container.

Aqua regia is a yellow orange sometimes red fuming liquid so named by alchemists because it can dissolve the noble metals gold and platinum though not all metals. Aqua regia solution is very energetic and potentially explosive. Keep the sash as low as possible to capture the toxic fumes. All handling of aqua regia must be done with glassware inside a fume hood.

It is very likely to become hot more than 100 o c. Adding any acids or bases to aqua regia or spraying it with water will accelerate the exothermic reaction. Leave the hot aqua regia solution in an open container until cool. Never remove a container with aqua regia from the fume hood.

Regal water or king s water is a mixture of nitric acid and hydrochloric acid optimally in a molar ratio of 1 3. Aqua regia ˈ r eɪ ɡ i ə ˈ r iː dʒ i ə. Never store aqua regia in a closed. Adding any acids or bases to aqua regia or spraying it with water will accelerate the exothermic reaction.

Aqua regia is an extremely corrosive mixture of nitric and hydrochloric acid used as an etchant for some analytical chemistry procedures and to refine gold aqua regia dissolves gold platinum and palladium but not the other noble metals here s what you need to know to prepare aqua regia and use it safely. Never raise it above the indicated position 18 inches. Perform all work in a secondary container that is clean and free of organic matter.