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Electrochemical generation of arsenic volatile species using a gold/mercury amalgam cathode. Determination of arsenic by atomic absorption spectrometry
ArticleAbstract: The electrochemical generation of arsenic volatile species (arsine) using an Au/Hg amalgam cathode iPalabras claves:Arsine, Atomic absorption spectrometry, Electrochemical arsenic hydride generation, Tap water samplesAutores:Alvarado J., Andrea Caiminagua, Byron Ordóñez Ríos, Hugo Romero Bonilla, Lenys FernándezFuentes:scopusElectrochemical generation of volatile Pb species on Au/Hg cathodes as a sample introduction technique in the determination of Pb by atomic absorption spectroscopy
ArticleAbstract: We have used amalgamated Au cathodes for electrochemical generation of volatile lead hydride, PbH4.Palabras claves:Autores:Alvarado J., Byron Ordóñez Ríos, Ghislaine Morales, Hugo Romero Bonilla, Lenys FernándezFuentes:scopusGelatinization mechanism of native starch from exportable banana of ecuador
ArticleAbstract: The fundamental aim of this work was to research the mechanism of native starch gelatinization bananPalabras claves:assessment, banana, gelatinization, Pasting, ViscosityAutores:Byron Ordóñez Ríos, Cristhian Zambrano-Cabrera, Edison Omar Martínez-Mora, Favián Maza-Valle, Johnny Pérez-RodríguezFuentes:scopusEffect of three pre-treatments of banana peel for obtaining glucose syrup by enzymatic hydrolysis
ArticleAbstract: The aim of this study was to compare three pretreatments (grinding, milling + hydrothermal process,Palabras claves:Autores:Byron Ordóñez Ríos, Hugo Romero Bonilla, Humberto Ayala ArmijosFuentes:scopusA 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:scopusA potential lignocellulosic biomass based on banana waste for critical rare earths recovery from aqueous solutions
ArticleAbstract: Rare earth elements (REE) present multiple applications in technological devices but also drawbacksPalabras claves:Adsorption, Banana waste, Biosorption, Electrostatic attraction, Ion-exchangeAutores:Bou J.J., Byron Ordóñez Ríos, Carrillo M., Hoyo J., Peña K., Sastre A.M., Tzanov T.Fuentes:googlescopusAntimony removal fromwater by a chitosan-iron(III)[ChiFer(III)] biocomposite
ArticleAbstract: The presence of antimony(III) in water represents a worldwide concern, mainly due to its high toxiciPalabras claves:Antimony removal, Chitosan, Iron, sorptionAutores:Byron Ordóñez Ríos, Demey H., Sastre A.M., Tanya CarchiFuentes:scopusMeasure of chemical oxygen demand by an inexpensive electrochemical instrument
Conference ObjectAbstract: This article describes the implementation of an inexpensive electrochemical instrument and its perfoPalabras claves:chemical oxygen demand (COD), copper electrode, electrochemical intrument, LOW COST, potentiometry, potentiostatAutores:Byron Ordóñez Ríos, Oswaldo Alcivar-Pelaez, Tanya Carchi-Tandazo, Tito Arevalo-RamirezFuentes:scopusMercury in sediments at El Oro province, ecuado
ArticleAbstract: The total content of Hg was evaluated in surface sediments at three localities in the coastal area oPalabras claves:Coast, contamination, HEAVY METAL, Organic matter, sedimentAutores:Alfonso Marín, Byron Ordóñez Ríos, Lemus M., Mariela Estefania Torres Rojas, Víctor Hugo González JaramilloFuentes:scopusMetallothioneins in marine bivalves
ArticleAbstract: Metallothioneins (MTs) are very particular proteins with a molar mass between 6-7 kDa, rich in cystePalabras claves:Biomarkers, Bivalves, contamination, Heavy Metals, metallothionein, Oxidative StressAutores:Byron Ordóñez Ríos, Chung K., Lemus M., Raquel Salazar-LugoFuentes:scopus