Aqua Regia

Name:
Aqua Regia
Detailed information:

Chemistry name:	nitrohydrochloric acid; chloronitrous acid; chlorazotic acid
Properties:
Fuming yellow, volatile, suffocating liquid.
Derivation:
A mixture of nitric and hydrochloric acids, usually 1 part of nitric acid to 3 or 4 parts of hydrochloric acid.
Grade:
Technical.
Hazard:
A powerful oxidizer, toxic, corrosive liquid.
Use:
Metallurgy, testing metals, dissolving metals (platinum, gold, etc.).