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研究用三异辛胺(TIOA)-硅胶柱反相萃取色谱分离、孔雀绿萃取光度法测定金(Ⅲ),金回收率在96％以上。应用于矿石中微量金的测定,结果满意,测定的最大相对误差(n=5)为6.3％。
The separation was performed on a TIOA - silica gel column with reversed - phase extraction and gold (Ⅲ) with malachite green - extraction spectrophotometry. The gold recovery was over 96%. Applied to the determination of trace gold in ores, the results were satisfactory and the maximum relative error (n = 5) was 6.3%.