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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > May  >
In the Classroom
Bubble Stripping To Determine Hydrogen Concentrations in Ground Water: A Practical Application of Henry's Law
Daniel M. McInnes
Department of Chemistry, East Central University, Ada, OK 74820

Don Kampbell
U.S. EPA, Office of Research and Development, National Risk Management Laboratory, Subsurface Protection and Remediation Division, Ada, OK 74820

Cover
May 2003
Vol. 80 No. 5
p. 516
Abstract
Henry's law states that at constant temperature, the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid. The Bubble Stripping Method involves applying Henry's law to determine the concentration of dissolved hydrogen, H2, in ground water. This paper describes the method’s role in achieving restoration of sites that are polluted with chlorinated solvents. Theory and sample calculations are presented, which may be of use to general chemistry lecturers who want to illustrate how a basic chemical principle can find application in the increasingly important field of environmental science.
More Information
*  Citation
 McInnes, Daniel M.; Kampbell, Don. J. Chem. Educ. 2003 80 516.
*  Keywords
 Environmental Chemistry; General Chemistry; Hydrogen; Introductory / High School Chemistry
*  History
 Created:
Last Updated:		 March 28, 2003
February 28, 2005
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