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通常采用2M KCNO直接沉淀金并以氰酸金的形式称量来完成对合金中金的分离与测定,并可以完全回收金。其它金属采用萃取的方法进行分离。该法可应用于14克拉“金焊剂”中金的分析。
Usually 2M KCNO direct precipitation of gold and cyanide gold in the form of gold to complete the separation and determination of the alloy, and gold can be completely recovered. Other metals are extracted using the method of separation. This method can be applied to 14 karat gold flux in gold analysis.