George de Hevesy famously used this substance to dissolve the Nobel Prize medals of Max von Laue and James Franck to avoid having the medals fall into Nazi hands. Reactions with this substance and platinum were critical in the discovery of iridium and osmium from platinum ores. Identify this mixture with a Latin name, which usually consists of a 3:1 mixing of hydrochloric and nitric acid.
Aqua Regia