MINED GOLD FOR 4 DAYS! THE CLEANLINESS IS AMAZING...

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Франсуа Пелье

Published on Feb 11, 2023
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The video shows the process of extracting precious metals from old imported radio components containing precious metals such as gold. After preliminary preparation of the material, a rich gold-containing concentrate was obtained and, using aqua regia, gold was extracted into a solution and, after filtration, restored from the solution with a solution of hydrazine hydrochloride. Then additional cleaning, i.e. restoration of dissolved gold with ascorbic acid and precipitation of spongy gold, washing and drying, and then melting.

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