what is cupellation?
Asked by | 22nd Mar, 2008, 08:19: PM
This is the method to seperate Noble metals from base metals .
Here the alloy is heated to high temperatures is kept in bone ash or clay also called as cupel. The base metls are evaporated or lead is absorbed by the container. the pure noble metal is seperated.
Answered by | 8th May, 2008, 09:33: AM
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