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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > January  >
Features
The Microscale Laboratory
Voltaic Cell Measurements on a Spot Plate with a Cotton Swab Salt Bridge
Edward D. Dobrzynski
North Iowa Area Community College, Mason City, IA 50401
Cover
January 1996
Vol. 73 No. 1
p. A6
Abstract
Microscale voltaic cell measurements using very small solution volumes are carried out on a porcelain spot plate. A suitable salt bridge is constructed by filling the hollow plastic tube of a double-tipped cotton swab with an electrolyte gel mixture. Good results are obtained for a variety of half-cell combinations when the technique is used by students in the general chemistry laboratory.
More Information
*  Citation
 Dobrzynski, Edward D. J. Chem. Educ. 1996 73 A6.
*  Keywords
*  History
 Created:
Last Updated:		 9/25/1999
5/22/2006
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