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本文验证并借助泡塑对价态金吸附选择性成功地实现了痕量Ａｕ（Ⅲ）、Ａｕ（Ⅰ）与Ａｕ（０）的分离，土壤加标回收满意。研制的痕量金价态分离与分析方法已在化探实践中初步运用。
In this paper, the separation of trace amounts of Au (Ⅲ), Au (Ⅰ) and Au (0) and the recovery of soils were verified by foam plasticization. The developed method of trace gold valence state separation and analysis has been initially applied in the practice of geochemical exploration.