Sonovoltammetric determination of 4-nitrophenol on diamond electrodes

Gustavo S. Garbellini; Giancarlo R. Salazar-Banda; Luis A. Avaca

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Sonovoltammetric determination of 4-nitrophenol on diamond electrodes

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Author(s):	Gustavo S. Garbellini ^[1] ; Giancarlo R. Salazar-Banda ^[2] ; Luis A. Avaca ^[3] Total Authors: 3
Affiliation:	^[1] Universidade de São Paulo. Instituto de Química de São Carlos - Brasil ^[2] Universidade de São Paulo. Instituto de Química de São Carlos - Brasil ^[3] Universidade de São Paulo. Instituto de Química de São Carlos - Brasil Total Affiliations: 3
Document type:	Journal article
Source:	Journal of the Brazilian Chemical Society; v. 18, n. 6, p. 1095-1099, 2007-00-00.
Abstract
The sonovoltammetric determination of 4-nitrophenol was studied on a boron-doped diamond electrode. Significant improvements in the analytical sensibility were observed due to electrode surface cleaning and the enhancement in the transport of species to the electrode surface provided by ultrasound. Thus, for the oxidation and reduction process, the limit of detection diminished from 11.7 to 3.87 and from 6.38 to 2.57 µg L-1, respectively. (AU)

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