Cupellation short video

############################# Video Source: www.youtube.com/watch?v=TrcvXdDlEUU

cupellation, separation of gold or silver from impurities by melting the impure metal in a cupel (a flat, porous dish made of a refractory, or high-temperatu...

Cupellation, refining process, metallurgy of silver, metallurgy, extraction of silver from their ore, extraction of copper from their ore, extraction of iron from their ore, bessemer converters
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