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  Although many miners use mercury in artisanal and small-scale gold mining, it is possible to safely and economically recover gold without it Mercury-free techniques are safer for miners, their families and local communiti They may also help miners market their gold at higher pric...

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  Recovering The Mercury From The Nitric Acid Solution To recover the mercury in solution see step 8 , simply drop some aluminum foil into the acid solution A chemical reaction takes place and the acid solution will drop the mercury to attack the aluminum This causes the mercury to revert to its natural liquid metal form at the bottom of the jar...

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