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how is the process of extracting gold from

Gold processing Britannica

By 2000 bc the process of purifying gold-silver alloys with salt to remove the silver was developed. The mining of alluvial deposits and later lode or vein deposits required crushing prior to gold extraction and this consumed immense amounts of manpower. By ad 100 up to 40000 slaves were employed in gold mining in Spain. The advent of ...

Easy Ways to Extract Gold from a Rock with Pictures - wikiHow

Obtain mercury sulfide HgS as cinnabar to use for gold extraction. Cinnabar is naturally occurring mercury sulfide HgS so you may be able to harvest it. If you can’t harvest it purchase it online. While the cinnabar is nontoxic it will become toxic during the extraction process.

How to Extract Gold From Electronics : 11 Steps with ...

The way I extract the gold is relatively straight-forward and pretty easy but the chemicals used are very dangerous and should not be performed without proper knowledge and equipment. This process is not supposed to be lucrative. It is a great science project. So don& 39;t try to make money off of this process. You will end up losing money

The Chemistry of Gold Extraction

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