The mystery of Aqua Regia as a more effective gold dissolvent than the modern one. Perhaps because of the strange ancient work with salts. [Read more…] about Aqua Regia and Fulminating Gold According to Lemery
Aqua Regia
Lemery & Aqua Regia First Step: Sal Armoniac
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. [Read more…] about Lemery & Aqua Regia First Step: Sal Armoniac
Aqua Regia & Fulminating Gold
Ancient proceedings from Ammonium chloride and Saltpeter to obtain Aqua Regia through Hydrochloric Acid and Nitric Acid 3:1 often leads to Fulminating Gold. [Read more…] about Aqua Regia & Fulminating Gold