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.
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
The cupellation process is of great antiquity, and the separation of silver from lead in this manner very probably antedates the separation of gold and silver.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
The alloy which settles at the bottom of the other substances in the pot is carried to the cupellation furnace, and the slags are re-melted with the other silver slags.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
It was the saturated furnace bottoms from cupellation.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
Various assays are described and directions given for crucible, scorification, and cupellation tests.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
