The Synthesis of a New Chromogentic Reagent Dibromo-o-Carboxychlorophosphonazo and its Application for the Determination of Hardness of Water and Calcium of Magnesium in Water;
新显色剂二溴邻羧基偶氮氯膦的合成及其应用于测定水的硬度和钙镁含量
The Determination of the Water Hardness of Different Source by the Coordination Titration;
配位滴定法测定不同来源水的硬度
We make the experiment of coordination titration for the ditermination of water hardness.
本文作者在教学实践中 ,通过做“水的硬度的测定”配位滴定等实验 ,使学生逐步学会分析、探索和解决化学实验中的问题 ,培养科学思维的方法。