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用铜试剂（二乙氨基二硫代甲酸钠）消除溴化法提金液中的干扰元素，用碘量法可快速准确地监控溴化法提金过程中溴的变化．精密度优于±２％，标准回收９６％～１００．５％。
The copper reagent (sodium diethyldithiocarbamate) is used to eliminate the interfering elements in the gold extraction broth by bromination method. The iodine method can be used to quickly and accurately monitor the bromine change during the gold extraction by the bromination method. Precision better than ± 2%, the standard recovery of 96% to 100.5%.