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Data do documentoTítuloAutor(es)Tipo
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
2009Speciation of chromium in river water samples contaminated with leather effluents by flame atomic absorption spectrometry after separation/preconcentration by cloud point extractionMatos, Geraldo D.; Reis, Edmagno B. dos; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo de Periódico
2008Pre-concentration procedure for determination of copper and zinc in food samples by sequential multi-element flame atomic absorption spectrometryFerreira, Hadla S.; Santos, Ana C. N.; Portugal, Lindomar Andrade; Costa, Antonio Celso Spinola; Miró, Manuel; Ferreira, Sergio Luis CostaArtigo de Periódico
2000Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAMMelo, Maria H. A.; Ferreira, Sergio Luis Costa; Santelli, Ricardo ErthalArtigo 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
2004Factorial design for multivariate optimization of an on-line preconcentration system for platinum determination by ultrasonic nebulization coupled to inductively coupled plasma optical emission spectrometryFerreira, Sergio Luis Costa; Cerutti, S.; Salonia, J. A.; Olsina, R. A.; Martinez, L. D.Artigo de Periódico
2011Aluminium as chemical modifier for the determination of lead in sugar cane spirits using electrothermal atomic absorption spectrometryFerreira, Sergio Luis Costa; Portugal, Lindomar Andrade; Matos, Geraldo Domingues; Silva, Douglas Gonçalves da; Jesus, Robson Mota de; Brito, Geysa BarretoArtigo de Periódico
2012The chemical generation of NO for the determination of nitrite by high-resolution continuum source molecular absorption spectrometryFerreira, Sergio Luis Costa; Brandão, Geovani Cardoso; Lima, Daniel C.Artigo de Periódico
2000Nickel and zinc determination by flow-injection solid-phase spectrophotometry exploiting different sorption ratesTeixeira, Leonardo Sena Gomes; Rocha, Fábio Rodrigo Piovezani; Korn, Mauro; Reis, Boaventura F.; Ferreira, Sergio Luis Costa; Costa, Antonio Celso SpinolaArtigo de Periódico
2013Direct determination of gallium in bauxite employing ICP OES using the reference element technique for interference eliminationSantana, Fernanda Alves de; Barbosa, José Tiago Pereira; Matos, Geraldo D.; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico

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