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Data do documentoTítuloAutor(es)Tipo
2001Enrichment and determination of molybdenum in geological samples and seawater by ICP-AES using calmagite and activated carbonSantos, Hilda Costa dos; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico
Set-2002An on-line system for preconcentration and determination of lead in wine samples by FAASLemos, Valfredo Azevedo; Guardia, Miguel de la; Ferreira, Sergio Luis CostaArtigo de Periódico
2006Multivariate technique for optimization of digestion procedure by focussed microwave system for determination of Mn, Zn and Fe in food samples using FAASBezerra, Marcos de Almeida; Ferreira, Sergio Luis Costa; Santelli, Ricardo Erthal; SantAna, Otoniel Domingos de; Cassella, Ricardo JorgensenArtigo de Periódico
2000Copper determination in natural water samples by using FAAS after preconcentration onto amberlite XAD-2 loaded with calmagiteFerreira, Sergio Luis Costa; Ferreira, Janeide R.; Dantas, Alailson Falcão; Lemos, Valfredo Azevedo; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso SpinolaArtigo de Periódico
2009Determination of total arsenic and arsenic (III) in phosphate fertilizers and phosphate rocks by HG-AAS after multivariate optimization based on Box-Behnken designMacedo, Samuel Marques; Jesus, Raildo M. de; Garcia, Karina S.; Hatje, Vanessa; Queiroz, Antônio Fernando de Souza; 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
2009Biodiesel: parâmetros de qualidade e métodos analíticosLôbo, Ivon Pinheiro; Ferreira, Sergio Luis Costa; Cruz, Rosenira Serpa daArtigo de Periódico
2004Optimization of the preconcentration system of cadmium with 1(2-thiazolylazo)-p-cresol using a knotted reactor and flame atomic absorption spectrometric detectionCerutti, S.; Ferreira, Sergio Luis Costa; Gásquez, J. A.; Olsina, R. A.; Martinez, L. D.Artigo de Periódico
2008Mineral composition of wheat flour consumed in Brazilian citiesAraujo, Rennan Geovanny Oliveira; Macedo, Samuel Marques; Korn, Maria das Graças Andrade; Pimentel, Maria Fernanda; Bruns, Roy Edward; Ferreira, Sergio Luis CostaArtigo de Periódico
2004Application of factorial design and Doehlert matrix in the optimisation of instrumental parameters for direct determination of silicon in naphtha using graphite furnace atomic absorption spectrometryAmaro, Joana Angélica de Azerêdo; Ferreira, Sergio Luis CostaArtigo de Periódico