1. Universidade Federal da Bahia

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Data do documentoTítuloAutor(es)Tipo
2007Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometryPortugal, Lindomar Andrade; Ferreira, Hadla S.; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis CostaArtigo de Periódico
2011On-line simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometrySantos, João Victor da Silva; Silva, O. B.; Araújo, André S.; Lemos, Valfredo Azevedo; Miró, Manuel; Ferreira, Sergio Luis Costa; Santos, Walter Nei Lopes dosArtigo de Periódico
2005Determination of copper in powdered chocolate samples by slurry-sampling flame atomic-absorption spectrometrySantos, Walter Nei Lopes dos; Silva, Erik Galvão Paranhos da; Fernandes, Marcelo Santiago; Araujo, Rennan Geovanny Oliveira; Costa, Antonio Celso SpinolaArtigo de Periódico
2003Application of three-variables Doehlert matrix for optimisation of an on-line pre-concentration system for zinc determination in natural water samples by flame atomic absorption spectrometrySantos, Walter Nei Lopes dos; Santos, Carla M. C.; Ferreira, Sergio Luis CostaArtigo de Periódico
2011Cloud point extraction for the determination of cadmium and lead employing sequential multi-element flame atomic absorption spectrometrySantos, Walter Nei Lopes dos; Cavalcante, Dannuza D.; Ferreira, Hadla S.; Virgens, Cesário Francisco das; Borges, Aline Rocha; Silva, Marcia M.; Vale, Maria Goreti R.Artigo de Periódico
2006An on-line pre-concentration system for determination of cadmium in drinking water using FAASSantos, Walter Nei Lopes dos; Costa, Jorge L. O.; Araujo, Rennan Geovanny Oliveira; Jesus, Djane S. de; Costa, Antonio Celso SpinolaArtigo de Periódico
2005Field sampling system for determination of cadmium and nickel in fresh water by flame atomic absorption spectrometrySantos, Walter Nei Lopes dos; Santos, Carla M. dos; Ferreira, Sergio Luis CostaArtigo de Periódico
2005Application of multivariate technique in method development for the direct determination of copper in petroleum condensate using graphite furnace atomic absorption spectrometrySantos, Walter Nei Lopes dos; Dias, Fábio de Souza; Fernandes, M. S.; Rebouças, Márcio das Virgens; Vale, Maria Goreti Rodrigues; Welz, Bernhard; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Slurry Sampling and HG AFS for the Determination of Total Arsenic in Rice SamplesSantos, Walter Nei Lopes dos; Cavalcante, Dannuza D.; Macedo, Samuel Marques; Nogueira, Jéssica S.; Silva, Erik Galvão Paranhos daArtigo de Periódico
2009A photo-oxidation procedure using UV radiation/H2O2 for decomposition of wine samples: determination of iron and manganese content by flame atomic absorption spectrometrySantos, Walter Nei Lopes dos; Brandão, Geovani Cardoso; Portugal, Lindomar Andrade; David, Jorge Mauricio; Ferreira, Sergio Luis CostaArtigo de Periódico
2003On-line preconcentration system using a minicolumn of polyurethane foam loaded with Me-BTABr for zinc determination by Flame Atomic Absorption SpectrometrySantos, Walter Nei Lopes dos; Lemos, Valfredo Azevedo; Santos, Juracir SilvaArtigo de Periódico
2011Biosorption of Pb(II) and Cd(II) ions by Agave sisalana (sisal fiber)Santos, Walter Nei Lopes dos; Cavalcante, Dannuza Dias; Silva, Erik Galvão Paranhos da; Virgens, Cesário Francisco das; Dias, Fábio de SouzaArtigo de Periódico
2008Fast method for the determination of copper, manganese and iron in seafood samplesSilva, Erik Galvão Paranhos da; Hatje, Vanessa; Santos, Walter Nei Lopes dos; Costa, Letícia M.; Nogueira, Ana Rita de Araujo; Ferreira, Sergio Luis CostaArtigo de Periódico
2005Application of Box–Behnken design in the optimisation of an on-line pre-concentration system using knotted reactor for cadmium determination by flame atomic absorption spectrometrySouza, Anderson Santos; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis CostaArtigo de Periódico
2007Automatic on-line pre-concentration system using a knotted reactor for the FAAS determination of lead in drinking waterSouza, Anderson Santos; Brandão, Geovani Cardoso; Santos, Walter Nei Lopes dos; Lemos, Valfredo Azevedo; Ganzarolli, Edgard Moreira; Bruns, Roy Edward; Ferreira, Sergio Luis CostaArtigo de Periódico
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