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mmies guide gold refining

mmies guide gold refining

Feb 23 2012 · To dissolve the metal contaminants we need to use a 5050 mixture of nitric acid and water The amount of nitric acid required will be approximately 20 mls mixed with approximately 20 mls of water Using the plastic pipette the water is added first followed by the nitric acid... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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