从矿石中溶解出金和银的方法,虽有使用氯、汞、王水等多种方法,但近90年以来在工业上提取金和银的方面,氰化法占最重要的地位,即使是现在这种状况仍未改变.然而,氰化法具有溶解金与银的速度慢,并易受其它共存金属的影响等缺点,而且从近年来全世界均对环境污染问题高度关注来看,所使用的氰化法有剧毒,是最大的缺陷.据1941年Groene wald已有酸性硫 Although the methods of dissolving gold and silver from ores have been used in many ways, such as chlorine, mercury and aqua regia, cyanidation accounts for the most important position in the industrial extraction of gold and silver for nearly 90 years. Even though However, the cyanide method has the disadvantages of dissolving gold and silver slowly and being easily affected by other coexisting metals, and from the perspectives of environmental pollution in the world in recent years, The cyanide method used is highly toxic, is the biggest flaw. According to 1941 Groene wald has acidic sulfur