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Portugaliae Electrochimica Acta
Print version ISSN 0872-1904
Port. Electrochim. Acta vol.21 no.4 Coimbra 2003
Multistep Electrode Processes in Double Potential Step Techniques
Angela Molina*, Manuela López-Tenés, Marién M. Moreno, Carmen Serna
Departamento de Química Física, Facultad de Química, Universidad de Murcia, Espinardo, Murcia 30100, Spain.
Received 15 January 2003; accepted in revised form 17 November 2003
Abstract
A rigorous analytical solution for linear diffusion corresponding to the double potential step problem for a reversible multistep process is derived. The expressions obtained are valid for any value of the formal potentials of each step and can be applied to any double pulse technique without restriction on the duration of both pulses. Differential pulse techniques are applied to the study of reversible processes with different number of steps.
Keywords:reversible multistep electrode processes, double potential step techniques, planar electrodes.
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References
1. G. Diao, Z. Zhang, J. Electroanal. Chem. 414 (1996) 177-181. [ Links ]
2. C. Amatore, S.C. Paulson, H.S. White, J. Electroanal. Chem. 493 (1997) 173-182. [ Links ]
3. M. Rueda, M. Sluyters-Rehbach, J.H. Sluyters, J. Electroanal. Chem. 202 (1986) 271-297. [ Links ]
4. K. Tsaur, R. Pollard, J. Electroanal. Chem. 183 (1985) 91-106. [ Links ]
5. I. Prieto , J.M. Pedrosa, M.T. Martín, L. Camacho, J. Electroanal. Chem. 485 (2000) 7-12. [ Links ]
6. M.M. Moreno, A. Molina, C. Serna, M. López-Tenés, Portugaliae Electrochim. Acta 19 (2001) 325-336. [ Links ]
7. M. López-Tenés, M.M. Moreno, C. Serna, A. Molina, J. Electroanal. Chem. 528 (2002) 159-169. [ Links ]
8. C. Serna, M. López-Tenés, J. González, A. Molina, Electrochim. Acta 46 (2001) 2699-2709. [ Links ]
9. A. Molina, C. Serna, M. López-Tenés, R. Chicón, Electrochem. Commun. 2 (2000) 267-271. [ Links ]
10. D.J. Myers, J. Osteryoung, Anal. Chem. 46 (1974) 356-359. [ Links ]
11. C. Serna, A. Molina, M.M. Moreno, M. López-Tenés, J. Electroanal. Chem. (submitted). [ Links ]
12. C. Serna, A. Molina, J. Electroanal. Chem. 466 (1999) 8-14. [ Links ]
13. D. Krulic, N. Fatouros, M.M. El Belamachi, J. Electroanal. Chem. 385 (1995) 33. [ Links ]
* Corresponding author. E-mail address: amolina@um.es