Acta Chimica Sinica ›› 2010, Vol. 68 ›› Issue (12): 1241-1246. Previous Articles     Next Articles

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二乙醇胺-N-甲基二乙醇胺-水溶液表面张力实验研究

付东*,钟智坤   

  1. 华北电力大学环境科学与工程学院 保定 071003
  • 投稿日期:2010-01-03 修回日期:2010-02-26 发布日期:2010-02-26
  • 通讯作者: 付东 E-mail:fudong@tsinghua.org.cn
  • 基金资助:

    二氧化碳-共聚物体系相平衡和成核性质研究;教育部新世纪优秀人才支持计划

Experimental Study on the Surface Tension of Diethanolamine- N-Methyldiethanolamine-Water Mixtures

FU Dong, ZHONG Zhi-Kun   

  1. School of Environmental Science and Engineering, North China Electric Power University, Baoding 071003
  • Received:2010-01-03 Revised:2010-02-26 Published:2010-02-26
  • Supported by:

    ; Program for New Century Excellent Talents in Universities of the Ministry of Education of China

In this work, the surface tensions of pure diethanolamine (DEA), pure N-methyldiethanolamine (MDEA), and DEA-MDEA-water mixtures from 288 to 333 K were measured by using an automatic surface tension-meter. The thermodynamic properties like surface enthalpy and surface entropy of DEA-MDEA- water mixtures were determined and their concentration dependence was analyzed.

Key words: diethanolamine, N-methyldiethanolamine, aqueous solution, surface tension