scorification

American  

[skawr-uh-fi-key-shuhn, skohr-] / ˌskɔr ə fɪˈkeɪ ʃən, ˌskoʊr- /

noun

Metallurgy.

1. an assaying process whereby gold or silver is separated from ore by fusion with lead.

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Etymology

Origin of scorification

First recorded in 1745–55; scori(a) + -fication

Example Sentences

As a general rule, it may be stated that when a scorification is unsatisfactory, what is wanted is more heat, more lead, or more borax.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

The first is conducted in one of two ways, known respectively as the crucible method and the scorification method.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various

If the slag forms properly, but shows unfused or only half-fused lumps, even when the scorification has proceeded for some time, add more borax, and stir with an iron rod.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

Continue the scorification until a film, green when cold, floating on the surface of the button shows that the nickel is beginning to oxidise.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

In some cases this preliminary scorification is advantageous or even necessary: this may be because the lead is hard and impure, or it may be that a very small button of gold is expected.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius