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While it is famous for its history in alchemy, modern industry uses aqua regia for several critical processes:
When these two are combined, they react to form volatile products like and free chlorine ( Cl2cap C l sub 2 aqua regia
Aqua regia is not a single compound but a freshly prepared mixture of two strong concentrated acids: : 3 parts. Nitric Acid ( HNO3cap H cap N cap O sub 3 ) : 1 part. While it is famous for its history in
: Initially colorless, the mixture quickly turns a vibrant yellow, orange, or red within seconds as the reaction proceeds. aqua regia