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Título: | Stripping voltammetric determination of pyridine-2-aldoxime methochloride at iron (III) doped zeolite modified glassy carbon electrode |
Autor: | Mehretie, Solomon; Losada, José; Tessema, Merid; Admassie, Shimelis; Solomon, Theodros; Pérez-Pariente, Joaquín CSIC ORCID ; Díaz Carretero, Isabel CSIC ORCID | Fecha de publicación: | 7-may-2013 | Citación: | 4th Federation of African Chemical Societies (FASC) congress (2013) | Resumen: | An iron(III) doped zeolite modified glassy carbon electrode was constructed for the determination of pyridine-2-aldoxime methochloride. X-ray diffraction and chemical analysis were utilized to determine the optimum pH and chemical content for doping zeolite. Cyclic voltammetry was used to characterize the modified electrode and study the kinetics of the acid treated and untreated modified electrode. Acid treatment of the modified electrode showed a better electrochemical behavior compared to the untreated iron(III) doped zeolite modified electrode. Square wave anodic stripping voltammetry was employed to investigate the working pH and preconcentration time. The analytical performance of the modified electrode was evaluated, and a linear anodic stripping response for pyridine-2-aldoxime methochloride in the concentration range of 0.5–100.0 μM with a detection limit of 1.61 × 10−7 M was obtained. Finally, the developed method was successfully applied for the determination of pyridine-2-aldoxime methochloride in a biological sample. | Descripción: | Trabajo presentado en el 4th Federation of African Chemical Societies (FASC) congress, celebrado en Marrakech (Marruecos) del 7 al 9 de mayo de 2013. | URI: | http://hdl.handle.net/10261/183633 |
Aparece en las colecciones: | (ICP) Comunicaciones congresos |
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