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铅锡二元合金相图实验改进

Xian-Lan CHEN,Guo-Wei ZHANG,Wei LIU,Gui-Yang LIU,Rui-Min XIAO,Zi-Jing LI,Zhao-Long HUANG

Chinese Journal of Chemical Education（2014）

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Abstract
目前国内出版的物理化学实验教材一般采用石墨粉作为防止铅锡氧化的试剂来进行热分析法绘制二元合金相图,但实验存在许多问题.从热力学角度分析了以往实验存在的问题,并改用松香作为抗氧化试剂对该实验进行了改进.通过分析实验过程,介绍实验的改进方法以及取得的成效.
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