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本文从方法的改进、铅干扰的消除、打萨腙的浓度、工作曲线的绘制等做了一系例的试验,结果良好,具有一定的实用价值。
In this paper, a series of tests have been done, including the improvement of the method, the elimination of lead interference, the concentration of hydrazone, the drawing of working curve and so on. The results are good and have certain practical value.