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2000
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In the Classroom
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Topics in Chemical Instrumentation
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Simulation of Impedance Spectra: A Computational and Electrochemical Exercise for University Students
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J. J. García-Jareño, D. Benito, A. Sanmatías, and F. Vicente
Departamento de Química Física, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
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June 2000
Vol. 77 No. 6
p. 738
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| Abstract |
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During the last 20 years, electrochemical impedance spectroscopy has become one of the most widespread tools for studying the electrochemical processes that take place on the electrode surface. Thus it is necessary for students to have a good command of the fundamentals of impedance spectroscopy, but these are sometimes difficult for students to understand. In this paper, we suggest a way to train university students in impedance spectroscopy by using numerical simulations of the impedance spectra, and how to obtain and analyze a model that can explain the simulated impedance spectrum.
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| Supplement |
The following supplemental material is available: theoretical introduction on the fundamentals of EIS; software (MULON98, AZON98, GRAFITA, Lotus 123 spreadsheet) and some examples of equivalent circuit files; directions for use of the software (programmed in C++); and explained examples of the graphical determination of magnitudes.
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| More Information |
Citation |
García-Jareño, J. J.; Benito, D.; Sanmatías, A.; Vicente, Francisco. J. Chem. Educ. 2000 77 738.
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Keywords |
Physical Chemistry; Laboratory Computing / Interfacing; Electrochemistry
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History |
Created:
Last Updated: |
April 25, 2000
August 31, 2005
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| Home > JCE Print > Journal of Chemical Education > Issues >
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738
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