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acid method for high cocentration of gold ore. ... Nitric acid or forced air oven oxidation can also be used ... Pretreatment of a refractory gold sulfide ore by ...
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Gold treatment with sulfuric acid is the process of dissolution of metals such as zinc, iron and other metal impurities using dilute sulfuric acid (H2SO4) and of the ...
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OXIDATIVE LEACHING OF SULFIDE ORES WITH THE PARTICIPATION OF ... SULFIDE ORES Pioneering studies on extracting metal values from sulfide ores with nitric acid were ...
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