: 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 aqua fortis
: A colorless liquid when pure, though older samples often turn yellow or brown due to decomposition into nitrogen oxides. : Traditionally prepared by distilling a mixture of
Beyond its role in historical chemistry, aqua fortis remains relevant in specialized crafts: Aqua fortis stain application techniques - Facebook aqua fortis