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Data do documentoTítuloAutor(es)Tipo
2001On-line preconcentration system for nickel determination in food samples by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Santos, Walter Nei Lopes dos; Lemos, Valfredo AzevedoArtigo de Periódico
2007Use of cetyltrimethylammonium bromide as surfactant for the determination of copper and chromium in gasoline emulsions by electrothermal atomic absorption spectrometrySantos, Denilson S. S. dos; Teixeira, Alete Paixão; Barbosa, José Tiago Pereira; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena GomesArtigo de Periódico
2005Method development for the determination of manganese in wheat flour by slurry sampling flame atomic absorption spectrometryAraujo, Rennan Geovanny Oliveira; Dias, Fábio de Souza; Macedo, Samuel Marques; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis CostaArtigo de Periódico
2004Characterization and determination of the thermodynamic and kinetic properties of the adsorption of the molybdenum(VI)–calmagite complex onto active carbonFerreira, Sergio Luis Costa; Andrade, Heloysa Martins Carvalho; Talma, Hilda Costa dos SantosArtigo 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
2007Development of method for the speciation of inorganic iron in wine samplesFerreira, Sergio Luis Costa; Ferreira, Hadla S.; Jesus, Robson M. de; Santos, João Victor da Silva; Brandão, Geovani Cardoso; Souza, Anderson SantosArtigo de Periódico
2000An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopyFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Moreira, Barbara C.; Costa, Antonio Celso Spinola; Santelli, Ricardo ErthalArtigo de Periódico
2005Use of experimental design in the optimisation of a solid phase preconcentration system for Cobalt determination by GFAASMatos, G. D.; Tarley, César Ricardo Teixeira; Ferreira, Sergio Luis Costa; Arruda, Marco Aurélio ZezziArtigo de Periódico
2003Use of factorial design and Doehlert matrix for multivariate optimisation of an on-line preconcentration system for lead determination by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Santos, Walter Nei Lopes dos; Bezerra, Marcos de Almeida; Lemos, Valfredo Azevedo; Bosque-Sendra, Juan ManuelArtigo de Periódico
28-Fev-2005Determination of cadmium and lead in table salt by sequential multi-element flame atomic absorption spectrometryAmorim, Fábio Alan Carqueija; Ferreira, Sergio Luis CostaArtigo de Periódico

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