Kinetic Studies on Gas-Liquid Interface by Means of Capillary Wave Technique

  • T. Yasunaga
  • M. Sasaki
Conference paper
Part of the NATO Advanced Study Institutes Series book series (ASIC, volume 50)


A general theory for the propagation characteristics of the capillary wave on gas-liquid interface, where the physco-chemical equilibrium exists, was proposed on the basis of the two-dimensional relaxation theory and the surface thermodynamics.

The frequency dependences of the propagation characteristics of the wave were measured in sodium dodecyl sulfate in order to confirm the validity of the derived equation. A relaxation was observed both in the propagation velocity and the damping coefficient of the wave. The results were well interpreted by the theoretical equations. From the concentration dependence of the relaxation parameters obtained, the relaxation was attributed to the adsorption-desorption reaction.


Sodium Dodecyl Sulfate Propagation Velocity Surfactant Solution Relaxation Parameter Capillary Wave 
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Copyright information

© D. Reidel Publishing Company 1979

Authors and Affiliations

  • T. Yasunaga
    • 1
  • M. Sasaki
    • 1
  1. 1.Department of Chemistry, Faculty of ScienceHiroshima UniversityHiroshima, 730Japan

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