在热力学分析Fe-Au-Fe3+-SCN-体系的基础上, 探讨氧化剂三价铁离子对该置换反应的影响, 提出应用氟化物来克服三价铁离子对该置换反应的负面影响.试验结果表明: 三价铁离子的存在, 严重抑制该置换反应.浸出液中氟化物的加入, 能克服三价铁离子对该置换反应的抑制作用并提高金的回收率.给出了该方法的机制.
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