Cupellation
id:
cupellation-261-8924513
title:
Cupellation
text:
Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore. The process is based on the principle that precious metals typically oxidise or react chemically at much higher temperatures than base metals. When they are heated at high temperatures, the precious
brand slug:
wiki
category slug:
encyclopedia
description:
Refining process in metallurgy
original url:
https://en.wikipedia.org/wiki/Cupellation
date created:
date modified:
2024-03-18T15:20:26Z
main entity:
{"identifier":"Q903707","url":"https://www.wikidata.org/entity/Q903707"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/ae/Cupellation_furnaces%2C_Agricola_223.jpg","width":552,"height":787}
fields total:
13
integrity:
15