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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > January  >
In the Laboratory
A Simple Hanging Mercury Drop Electrode
Florinel Gabriel Banica
Department of Chemistry, Norwegian University of Science and Technology, Trondheim N-7491, Norway
Cover
January 2000
Vol. 77 No. 1
p. 98
Abstract
A device producing reproducible hanging mercury drops at the end of a glass capillary is described. Mercury flow through the capillary is controlled by means of a closing needle actuated by an electromagnetic relay. The timing circuit is very simple and consists only of resistors and capacitors. This simple electrode could find various applications in the teaching laboratory for illustrating the principles of general electrochemistry, stripping voltammetry, and complex equilibria in solutions.
More Information
*  Citation
 Banica, Florinel Gabriel. J. Chem. Educ. 2000 77 98.
*  Keywords
 Analytical Chemistry; Instrumental Methods; Electrochemistry; Laboratory Equipment / Apparatus; Teaching / Learning Aids
*  History
 Created:
Last Updated:		 December 9, 1999
April 15, 2005
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