Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface

刘俊吉; 徐芸; 孙红秀

doi:10.1016/S1004-9541(13)60562-5

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Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface

流体力学与传递现象 | Updated：2026-01-06

- Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface
- Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface
- 中国化学工程学报（英文版） 2013年21卷第9期页码：953-9581004-954160562-5
- Affiliations：
  
  School of Science, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60562-5
  中图分类号：
- 纸质出版：2013
- Accepted：
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刘俊吉, 徐芸, 孙红秀. Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface[J]. 中国化学工程学报（英文版）, 2013,21(9):953-9581004-954160562-5.

LIU Junji, XU Yun, SUN Hongxiu. Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface[J]. Chin.J.Chem.Eng., 2013, 21(9): 953-958.
刘俊吉, 徐芸, 孙红秀. Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface[J]. 中国化学工程学报（英文版）, 2013,21(9):953-9581004-954160562-5. DOI： 10.1016/S1004-9541(13)60562-5.

LIU Junji, XU Yun, SUN Hongxiu. Diffusion-controlled Adsorption Kinetics of Surfactant at Air/Solution Interface[J]. Chin.J.Chem.Eng., 2013, 21(9): 953-958. DOI： 10.1016/S1004-9541(13)60562-5.

摘要

Abstract

For the diffusion-controlled adsorption

the expression of dynamic surface adsorption Γ(t)was obtained by solving the diffusion equation. Two cases

i.e. the short and long time limits

were mainly discussed in this paper. From the measured dynamic surface tension of aqueous surfactant sodium dodecyl sulfate (SDS) solutions at 25℃

the adsorption kinetics of SDS at air/solution interface was studied. It was proved that for both of the short and long time limits

the adsorption process of SDS was controlled by diffusion.

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