mercury for gold extraction

how is mercury used in gold extraction - . The ancients used in on a large scale to extract alluvial gold from the sediment of rivers. The mercury dissolved the gold which could be reclaimed by ... Borax - an alternative to mercury for gold extraction by ... 90 the mercury technique could be what is needed to facilitate a shift from mercury-based to borax-based gold extraction. Lessons learned in rural Tanzania extraction of gold using mercury - west-house widespread use of mercury for gold extraction results in pol-luted environments and serious health hazards for the miners themselves and for the population ...    Read More

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