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In the Laboratory
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Cost-Effective Teacher
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A Reliable Homemade Electrode Based on Glassy Polymeric Carbon
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André L. Santos, Regina M. Takeuchi, Herenilton P. Oliveira,
Departamento de Química, FFCLRP, USP, Ribeirão Preto, SP, Brazil, 14040-901
Marcello G. Rodrigues, and Robert L. Zimmerman
Departamento de Física e Matemática, FFCLRP, USP, Ribeirão Preto, SP, Brazil, 14040-901
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June 2004
Vol. 81 No. 6
p. 842
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| Abstract |
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The production of glassy polymeric carbon (GPC) through the thermal treatment of a phenolic resin is described. The pyrolysis process has been investigated by Fourier-transform infrared spectroscopy and powder X-ray diffraction. The final material is a conductive, nonporous, glasslike material with a rigid structure that can be used as a working electrode in electrochemical experiments. To evaluate the voltammetric performance of the electrode, the [Fe(CN)6]3-/[Fe(CN)6]4- redox couple was used. Some assays were performed to test its stability.
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| More Information |
 Citation |
Santos, André L.; Takeuchi, Regina M.; Oliveira, Herenilton P.; Rodrigues, Marcello G.; Zimmerman, Robert L. J. Chem. Educ. 2004 81 842.
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Keywords |
Analytical Chemistry; Crystallography / Crystal Growth; Electrochemistry; IR Spectroscopy; Redox Reactions
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History |
Created:
Last Updated: |
May 2, 2004
January 21, 2005
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