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+--- Thread: Secrets of the purple smoke (/showthread.php?tid=898)
Secrets of the purple smoke - Paul Ferguson - 11-07-2023
"The mystery behind why the world’s first high explosive, fulminating gold, produces a purple smoke when it detonates has been solved, finally resolving a 400-year-old alchemical puzzle."
https://www.chemistryworld.com/news/secrets-of-the-purple-smoke-of-first-high-explosive-created-by-alchemists-revealed/4018342.article