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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > August  >
Laboratory Experiments
On-Line Surfactant Monitoring by Foam Generation
Patrick D. Soran
Duke University, Durham, NC 27706

Everett E. Neal
Carnegie Mellon University, Pittsburgh, PA 15213

Barbara Smith and Ken I. Mullen
Los Alamos National Laboratory, MS-K497 Los Alamos, NM 87545

Cover
August 1996
Vol. 73 No. 8
p. 819
Abstract
We have developed an instrument that measures the concentration of surfactants or surface active agents. The device continuously monitors the concentration of surfactants on-line, in real time, and is particularly suited for process monitoring or process control. The device operates by creating a foam. The height of the foam is proportional to the concentration of the available surface active agent. The foam height is measured optically. The device is inexpensive and can be used to demonstrate the properties of surface active agents. It is particularly applicable to environmental chemistry courses.
More Information
*  Citation
 Soran, Patrick D.; Neal, Everett E.; Smith, Barbara; Mullen, Ken I. J. Chem. Educ. 1996 73 819.
*  Keywords
*  History
 Created:
Last Updated:		 9/23/1999
5/22/2006
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