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本文主要指出了分析化学实验中对软锰矿中 MnO_2含量分析实验存在的不足及其改进方法,这样不仅缩短了实验时间,而且提高了分析的准确性,从而使得实践与理论更好地结合起来。
This paper mainly points out the shortcoming of MnO 2 content analysis experiment in pyrolusite and its improvement method in analytical chemistry experiment, which not only shortens the experiment time but also improves the accuracy of the analysis, so that the practice and theory are better combined.