Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Avaca, Luis A."'
Autor:
Salazar-Banda, Giancarlo R., Eguiluz, Katlin I.B., Pupo, Marilia M.S., Suffredini, Hugo B., Calegaro, Marcelo L., Avaca, Luis A.
Publikováno v:
In Journal of Electroanalytical Chemistry 1 March 2012 668:13-25
Autor:
Galli Andressa, De Souza Djenaine, Garbellini Gustavo S., Coutinho Cláudia F. B., Mazo Luiz H., Avaca Luis A., Machado Sergio A. S.
Publikováno v:
Química Nova, Vol 29, Iss 1, Pp 105-112 (2006)
The aim of this work is to discuss selected applications of electroanalytical techniques for the detection of pesticides in foods and beverages, published in the last ten years. The applications involved different working electrodes for the electroan
Externí odkaz:
https://doaj.org/article/3dbb6b501d294b3e8ecb170481606cda
Autor:
Suffredini Hugo B., Salazar-Banda Giancarlo R., Tanimoto Sônia T., Calegaro Marcelo L., Machado Sergio A. S., Avaca Luis A.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 17, Iss 2, Pp 257-264 (2006)
Continuing previous investigations, direct surface modifications of boron-doped diamond (BDD) electrodes with metal oxides (PtOx, RuO2, IrO2 and PbO2) and with some mixed composites were carried out by the Sol-Gel technique. The materials were studie
Externí odkaz:
https://doaj.org/article/c08b8bc980f0429c8e325fe3ba9f62f2
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 15, Iss 1, Pp 16-21 (2004)
The electrochemical processes occurring at both edges of the wide electrochemical window of the boron doped diamond (BDD) electrode were studied by polarization curves experiments to evaluate the apparent energy of activation for the rate determining
Externí odkaz:
https://doaj.org/article/3d015a2c3db04b16bb1e039464299fa7
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 14, Iss 1, Pp 113-119 (2003)
This paper describes the use of square wave voltammetry for the electroanalytical determination of picloram in aqueous media. The reaction was found to occur via an irreversible mechanism involving the transference of four electrons, with the reagent
Externí odkaz:
https://doaj.org/article/40645da0d0714dbea81d8ba9636bac39
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 14, Iss 4, Pp 530-535 (2003)
The anodic voltammetric behavior of 4-Nitrophenol on a Boron-doped diamond electrode in aqueous solution has been studied using square wave voltammetry. After optimization of the experimental conditions, that model molecule was analyzed in pure water
Externí odkaz:
https://doaj.org/article/8cfffaded0e049eba1dadedf0cdd1cfd
Autor:
Pelegrino Rosângela L., Di Iglia Rosana A., Sanches Caio G., Avaca Luis A., Bertazzoli Rodnei
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 13, Iss 1, Pp 60-65 (2002)
In this paper the potentiality of two types of DSAâ commercial electrodes, for electrochemical treatment of effluents, is investigated. Oxide anodes, with nominal composition of 70TiO2/30RuO2 and 45IrO2/55Ta2O5, were used in a flow-cell reactor for
Externí odkaz:
https://doaj.org/article/6aa3ddab377144b7be821ee950136fef
Publikováno v:
In Materials Chemistry and Physics 2009 117(2):434-442
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 2, Pp 175-181 (2000)
The mechanism of copper electrocrystallization on Pt ultramicroelectrode surfaces has been studied by cyclic voltammetry, chronoamperometry and ex situ atomic force microscopy in acid solutions containing different Cu2+ concentrations. To analyze the
Externí odkaz:
https://doaj.org/article/20d3d7a10dc745508bee82cc99be8844
Autor:
Caetano, Josiane, Homem-de-Mello, Paula, da Silva, Albérico B.F., Ferreira, Antonio G., Avaca, Luis A.
Publikováno v:
In Journal of Electroanalytical Chemistry 2007 608(1):47-51