Artículo
Multivariate optimization of square wave voltammetry using bismuth film electrode to determine atrazine
Bia, Gonzalo Luis
; Borgnino Bianchi, Laura Carolina
; Ortiz, Patricia Ines
; Pfaffen, Maria Valeria del Valle
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Fecha de publicación:
07/2014
Editorial:
Elsevier Science Sa
Revista:
Sensors and Actuators B: Chemical
ISSN:
0925-4005
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
A rapid and simple square wave voltammetry method (SWV) for atrazine determination with bismuth film electrode using chemometrics was developed. Different variables such as buffer pH and SWV frequency, pulse height and step potential were screened in a 24 full factorial design. The significant variables were optimized by using a central composite design (CCD) combined with desirability function (DF). Optimum conditions were set as follow: buffer pH 2.3, frequency 300 Hz, pulse height 0.09 V and step potential −0.0024 V. Under these optimum conditions the method has a linear response over (1.8–7.5) × 10−6 mol L−1 with detection and quantification limits of 5.9 × 10−7 and 1.8 × 10−6 mol L−1, respectively.
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Articulos(CICTERRA)
Articulos de CENTRO DE INVEST.EN CS.DE LA TIERRA
Articulos de CENTRO DE INVEST.EN CS.DE LA TIERRA
Articulos(INFIQC)
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Citación
Pfaffen, Maria Valeria del Valle; Ortiz, Patricia Ines; Borgnino Bianchi, Laura Carolina; Bia, Gonzalo Luis; Multivariate optimization of square wave voltammetry using bismuth film electrode to determine atrazine; Elsevier Science Sa; Sensors and Actuators B: Chemical; 203; 7-2014; 396-405
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