摘要
研究了在阳离子表面活性剂存在下,以二甲酚橙为指示剂测定水硬度的新方法,该方法终点颜色变化敏锐,结果令人满意。
A new method to determine the hardness of water by xylend orange indication under the (existence) of the cationic surface active agents is reported. In this method change of the terminal colour is more sensitive.
出处
《长春工业大学学报》
CAS
2004年第3期28-29,共2页
Journal of Changchun University of Technology
