Aqua Regia

Aqua Regia and Fulminating Gold According to Lemery

The mystery of Aqua Regia as a more effective gold dissolvent than the modern one. Perhaps because of the strange ancient work with salts.

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Lemery & Aqua Regia First Step: Sal Armoniac

by Iulia Millesima

In his “Cours de la Chimie”, Nicolas Lemery walks through a step-by-step Aqua Regia preparation. But before he instructs us to get a chemical Sal Armoniac, as seventeenth-century iatrochemists called a very indefinite, as well as not so pure, salt between salarmeniac and salmiac obtained out of urine salts.

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Aqua Regia & Fulminating Gold

by Iulia Millesima

Ancient proceedings from Ammonium chloride and Saltpeter to obtain Aqua Regia through Hydrochloric Acid and Nitric Acid 3:1 often lead to Fulminating Gold.

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