Detalhes do Documento

Square-wave adsorptive-stripping voltammetric detection in the quality control ...

Autor(es): Nouws, Henri P. A. cv logo 1 ; Delerue-Matos, Cristina cv logo 2 ; Barros, Aquiles A. cv logo 3 ; Rodrigues, José A. cv logo 4 ; Santos-Silva, Alice cv logo 5 ; Borges, Fernanda cv logo 6

Data: 2007

Identificador Persistente: http://hdl.handle.net/10400.22/2964

Origem: Repositório Científico do Instituto Politécnico do Porto

Assunto(s): Fluoxetine; Square-wave adsorptive-stripping voltammetry; Flow-injection analysis; Electrochemical detection; Drug dissolution


Descrição
Electroanalytical methods based on square-wave adsorptive-stripping voltammetry (SWAdSV) and flow-injection analysis with square-wave adsorptive-stripping voltammetric detection (FIA-SWAdSV) were developed for the determination of fluoxetine (FXT). The methods were based on the reduction of FXT at a mercury drop electrode at -1.2 V versus Ag/AgCl, in a phosphate buffer of pH 12.0, and on the possibility of accumulating the compound at the electrode surface. The SWAdSV method was successfully applied in the quantification of FXT in pharmaceutical products, human serum samples, and in drug dissolution studies. Because the presence of dissolved oxygen did not interfere significantly with the analysis, it was possible to quantify FXT in several pharmaceutical products using FIA-SWAdSV. This method enables analysis of up to 120 samples per hour at reduced costs.
Tipo de Documento Artigo
Idioma Inglês
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