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AQUA REGIA Chemical compatibility with O-rings, rubbers, & plastics

Aqua regia is a highly corrosive mixture of concentrated nitric acid and hydrochloric acid, usually in a 1:3 ratio. It is used to dissolve noble metals like gold and platinum and in certain analytical chemistry procedures. Aqua regia releases toxic fumes and is highly dangerous to handle. Proper safety measures, including the use of personal protective equipment (PPE) and proper ventilation, are essential when working with this chemical.

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