cupellation
Britishnoun
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the process of recovering precious metals from lead by melting the alloy in a cupel and oxidizing the lead by means of an air blast
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the manufacture of lead oxide by melting and oxidizing lead
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By this method the lead contained in the forehearth absorbs the silver, and the silver-lead is taken to the cupellation furnace.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
It would seem scarcely necessary to add lead before cupellation.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
Therefore, the metallurgy of this paragraph becomes a simple melting of an argentiferous lead ore, its subsequent cupellation, with a return of the litharge to the furnace.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
In this manner the lead absorbs the gold, whether pure or argentiferous or cupriferous, and the alloy is taken to the cupellation furnace.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
The "first" is usually the blast furnace, the "second" furnace is the cupellation furnace, and the "third" the liquation furnace.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
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