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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > October  >
In the Laboratory
Time-Dependent Changes in a Shampoo Bubble
Arun Chattopadhyay
Department of Chemistry, Indian Institute of Technology, Guwahati, Guwahati 781 001, India
Cover
October 2000
Vol. 77 No. 10
p. 1339
Abstract
This article demonstrates the fascinating phenomenon of time evolution of a shampoo bubble through experiments that can be performed by undergraduate students. The changes in thickness of the bubble films with time are followed by UV-vis spectroscopy. The change in chemical composition as a bubble film evolves is monitored by FTIR spectroscopy. It is observed that the change in thickness of a typical shampoo bubble film enclosed in a container is gradual and slow, and the hydrocarbon components of the bubble drain from the bubble much more slowly than water. An additional agent, such as acetonitrile, strikingly alters the dynamics of evolution of such a bubble.
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*  Citation
 Chattopadhyay, Arun. J. Chem. Educ. 2000 77 1339.
*  Keywords
 Physical Chemistry; Teaching/Learning Theory/Practice; Micelles; UV-Vis Spectroscopy; IR Spectroscopy
*  History
 Created:
Last Updated:		 September 22, 2000
August 31, 2005
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