Study of electrochemical oxidation and determination of albendazole using a glassy carbon-rotating disk electrode
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
27/05/2014
27/05/2014
01/08/2005
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Resumo |
In this work, electrochemical oxidation of albendazole (ABZ) was carried out using a glassy carbon-rotating disk electrode. Development of electroanalytical methodology for ABZ quantification in pharmaceutical formulations was also proposed by using linear sweep voltammetric technique. Electrochemical oxidation is observed for ABZ at E 1/2 = 0.99:V vs. Ag/AgCl sat, when an anodic wave is observed. Kinetic parameters obtained for ABZ oxidation exhibited a standard heterogeneous rate constant for the electrodic process equal to (1.51 ± 0.07) ± 10 -5:cm:s -1, with a αn a value equal to 0.76. Limiting current dependence against ABZ concentration exhibited linearity on 5.0 ± 10 -5 to 1.0 ± 10 -2:mol:l -1 range, being obtained a detection limit of 2.4 ± 10 -5:mol:l -1. Proposed methodology was applied to ABZ quantification in pharmaceutical formulations. © 2005 Elsevier SAS. All rights reserved. |
Formato |
671-674 |
Identificador |
http://dx.doi.org/10.1016/j.farmac.2005.05.004 Farmaco, v. 60, n. 8, p. 671-674, 2005. 0014-827X http://hdl.handle.net/11449/68350 10.1016/j.farmac.2005.05.004 2-s2.0-23944490176 |
Idioma(s) |
eng |
Relação |
Farmaco |
Direitos |
closedAccess |
Palavras-Chave | #Albendazole #Glassy carbon #Rotating disk electrode #Voltammetric determination #albendazole #carbon #silver chloride #drug formulation #electrochemical analysis #electrode #kinetics #methodology #oxidation #potentiometry #Carbon #Electrochemistry #Electrodes #Glass #Oxidation-Reduction #Pharmaceutical Preparations #Rotation |
Tipo |
info:eu-repo/semantics/article |