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        解決方案
        Solution
        Precious metal refining
        貴金屬精煉
        金精煉是指除去粗金中的雜質,產出純金的過程,金精煉常見的提純方法有金電解法和一般化學法,一般化學法與電解法相結合流程為:溶解→趕硝→水解→還原→凈化→洗滌、烘干→熔煉→金電解→洗滌、烘干→鑄錠。
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