Educational Purposes Only !

Warning !
Gold solutions are very toxic
Sulfur dioxide gas is a toxic gas

This video shows how I convert chloroauric acid ( that I prepared in previous video ) back to gold metal. I used borax and boric acid to melt gold. It supports to melt down gold easily.

This method can be used for recycling gold and electronic materials.

Here is the link for previous video.
Dissolve gold in aqua regia ( Make Chloroauric acid )
[ Ссылка ]

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