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2018-4-29 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 acid treatment process will be easier to concentrate on the stage before the phase of purification of the melting process for making pure gold, because. metallic impurities
2018-7-5 Metallurgical ContentParting Gold-Silver Alloy with Sulphuric AcidGold-Zinc AlloysGold, Silver, and SodiumEffect of Tellurium on PartingParting of Gold and Silver CommerciallyThe Gutzkow Refining Process Pure silver is readily attacked by strong hot sulphuric acid of SG 1.815, or about 90 per cent, strength.
The invention discloses a method for extracting gold and/or silver from sulfuric acid slag. The method comprises the following steps: performing multi-stage countercurrent leaching on sulfuric acid slag containing gold and silver by using an acidic thiourea solution; adsorbing a leachate by using an ester-based thiourea resin column; and after ...
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2005-7-26 Selective liquid-liquid extraction of antimony(III) ... (e-mail: [email protected] ... of antimony from copper sulfate–sulfuric acid solution using 2EHAPO 4 as the ...