Aqua Fortis Link

: A colorless liquid when pure, though older samples often turn yellow or brown due to decomposition into nitrogen oxides.

(Latin for "strong water") is the historical and alchemical name for nitric acid ( HNO3cap H cap N cap O sub 3 aqua fortis

). It is a highly corrosive mineral acid known for its ability to dissolve most metals, including silver, though it cannot dissolve gold or platinum on its own. Chemical Properties and History : A colorless liquid when pure, though older

Beyond its role in historical chemistry, aqua fortis remains relevant in specialized crafts: Aqua fortis stain application techniques - Facebook Chemical Properties and History Beyond its role in

: Traditionally prepared by distilling a mixture of saltpeter (potassium nitrate) with vitriol (sulfates) or alum.

: While aqua fortis is straight nitric acid, aqua regia ("royal water") is a more potent mixture of nitric and hydrochloric acids specifically used to dissolve "noble" metals like gold. Modern and Traditional Uses