Aqua Regia Container

All handling of aqua regia must be done with glassware inside a fume hood.

Aqua regia container.

Aqua regia solution is very energetic and potentially explosive. Adding any acids or bases to aqua regia or spraying it with water will accelerate the exothermic reaction. Keep the sash as low as possible to capture the toxic fumes. 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.

Perform all work in a secondary container that is clean and free of organic matter. Leave the hot aqua regia solution in an open container until cool. Leave the hot aqua regia solution in an open container until cool. 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.

Never raise it above the indicated position 18 inches. Adding any acids or bases to aqua regia or spraying it with water will accelerate the exothermic reaction. Never store aqua regia in a closed. Regal water or king s water is a mixture of nitric acid and hydrochloric acid optimally in a molar ratio of 1 3.

Never store aqua regia in a closed. It is very likely to become hot more than 100 o c. Never remove a container with aqua regia from the fume hood.