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gold extraction with aqua regia in nigeria

Gold by Aqua Regia Mining SGS,Aqua regia is a 31 mixture of hydrochloric acid and nitric acid It is a strong oxidizing mixture that dissolves many base metal sulfide minerals as well as gold and platinum However it is a partial leach that leaves an undigested silicate and alumina residue ... 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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