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本文介绍一种测定钨的新方法,它在最佳条件下使钨酸铅沉淀,然后用Gran法在等当点后取点,截取终点这方法耗时40分钟,准确度为1%。
This article describes a new method for the determination of tungsten, which leads to the precipitation of lead tungstate under the best conditions, and then uses the Gran method to take points after the equivalence point, which takes 40 minutes and has an accuracy of 1%.