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Treatment of refractory gold ores with special reference to pre-oxidation of Abstract: ... • Low pressure intensive oxidation. • Acid or alkaline .

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Implementation of sodium hydroxide pretreatment for ...

... Implementation of sodium hydroxide pretreatment for refractory antimonial gold and silver ores Alkaline pretreatment of a refractory gold–silver ore ...

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Alkaline Pretreatment for a Refractory Gold and Silver ... In this experiment,both physical and chemical methods were applied to the alkaline ...

Dissolution Chemistry of Gold and Silver in Different Lixiviants

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Alkaline Pretreatment for a Refractory Gold and Silver ...

Alkaline Pretreatment for a Refractory Gold and Silver Concentrateunder Normal Temperature and Pressure

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Alkaline sulfide pretreatment of an antimonial refractory Au ...

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