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粗金粉（Au含量70％～80％）和粗银粉（Ag含量90％以上）混合熔铸成含金较高的阳极（Au：Ag≈1：3），采用一次电解工艺分离提纯，最终产品金锭成色＞99％，银锭中银含量＞99．9％．工艺过程简单，投资操作费用较低．
(Au: Ag≈1: 3) was mixed and cast into a high gold-containing anode (Au: 70% -80%) and coarse silver powder (Ag content: 90% Ingot quality> 99%, silver ingot silver content> 99.9%. The process is simple, the investment operation cost is lower.