Scorifier n. (Chem.) One who, or that which, scorifies; specifically, a small flat bowl-shaped cup used in the first heating in assaying, to remove the earth and gangue, and to concentrate the gold and silver in a lead button.
... A scorifier is essentially a roasting dish sufficiently thick to resist, for a time, the corrosive action of the fused metallic oxides it is to contain. The essential property of a cupel is, that it is sufficiently porous to allow ... — A Textbook of Assaying: For the Use of Those Connected with Mines. • Cornelius Beringer and John Jacob Beringer
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