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Gold purification & Iron production, chemistry at grand scale in the “ancient” world – ancient “magic” was chemistry

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How to produce pure gold.

Episode 67 important to understand chemistry

https://www.youtube.com/watch?v=92OhcAvKZEc

https://www.youtube.com/watch?v=6x63Jxb​08Os

Gold purification & Iron production, chemistry at grand scale in the "ancient" world - ancient "magic" was chemistry

64530fdec1328ce3118b456a

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