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Gold-Silver Separation and Purification Methods

     

1、Gold Electrolysis for Gold-Silver Separation:Suitable for gold-silver alloys with gold content >90%. Pure gold of 99.95%~99.996% purity is obtained via gold electrolysis. Silver is converted into silver chloride and collected in the anode bag, realizing gold-silver separation.

2、Gold Electrochemical Dissolution Method:Essentially the same as electrolysis, except the cathode is enclosed in an ion-exchange membrane (or unglazed crucible). Cations cannot deposit at the cathode and instead enter the solution; silver chloride remains in the anode bag.

3、Silver Electrolysis for Gold-Silver Separation:Applicable to gold-silver alloys with silver content >75%, gold content 0~25%, and few other impurities. Silver powder with purity >99.95% is obtained through silver electrolysis. Gold is collected in the anode bag, achieving gold-silver separation.

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