Cupellation is a refining process in metallurgy, where ores or alloyed metals are treated under high temperatures and 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.Rehren, Th.
例句与用法
1.
Determination of gold in gold jewellery alloys - cupellation method fire assay 金珠宝合金中金的测定.灰吹法
2.
Determination of gold in gold jewellery alloys - cupellation method fire assay 金合金首饰中金含量的测定.灰吹法
3.
Standard test methods for determination of gold in bullion by cupellation 用灰吹法测定金条中纯金的标准试验方法
4.
Determination of gold in gold jewellery alloys - cupellation method fire assay iso 11426 : 1997 ; german version en iso 11426 : 1998 金和金珠宝合金的测定.火吹法
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