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By A.J. Roan
Metal Tech News 

Philosopher's graphene: waste into gold

Chemical process extracts pure gold from electronic waste Metal Tech News - August 17, 2022


Last updated 8/30/2022 at 3:28pm

Gold bars displayed in an organized pile.

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University of Manchester researchers have found that graphene can be used to extract pure gold from electronic waste, a method that produces no ions or salts and just gold.

Researchers from the University of Manchester might have to adopt a new title: alchemists, as they may have discovered the 21st-century version of the philosopher's stone. But unlike the mystical substance of old, the modern golden transformation is thanks to a microscopically thin material that has been growing in popularity due to its miracle-like properties – graphene.

"Graphene turns rubb...

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