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A nafion film cover to enhance the analytical performance of the CuO/Cu electrochemical sensor for determination of chemical oxygen demand
ArticleAbstract: We modified and evaluated the performance of a CuO/Cu electrochemical electrode for chemical oxygenPalabras claves:chemical oxygen demand, Copper oxide electrode, detection, Nafion filmAutores:Alvarado J., Byron Ordóñez Ríos, Lenys Fernández, Llorca J., Patricio Javier Espinoza-Montero, Tanya CarchiFuentes:scopusElectrochemical determination of arsenic in natural waters using carbon fiber ultra-microelectrodes modified with gold nanoparticles
ArticleAbstract: We have developed an anodic stripping voltammetry method that employs carbon fiber ultra-microelectrPalabras claves:Anodic stripping voltammetry, Arsenic electrochemical detection, Carbon fiber ultra-microelectrodes, Gold nanoparticlesAutores:Alvarado J., Carrera P., Hugo Romero Bonilla, Lenys Fernández, Patricio Javier Espinoza-MonteroFuentes:googlescopusImprovements in the electrochemical generation of arsine at gold electrodes as a sample introduction strategy for arsenic determination in well-water samples by atomic absorption spectrometry
ArticleAbstract: The development and evaluation of a cathode consisting of a gold electrode covered by a polyanilinePalabras claves:arsenic, electrochemical hydride generation and atomic absorption determination, gold-polyaniline electrodeAutores:Alvarado J., Antonio Díaz-Barrios, Carrera P., Lenys Fernández, Pablo Pozo, Patricio Javier Espinoza-Montero, Zambrano H.B.Fuentes:scopus