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Data do documentoTítuloAutor(es)Tipo
Jan-2004Spectrophotometric determination of chromium in steel with 4-(2- thiazolylazo)-resorcinol (TAR) using microwave radiationCarvalho, Luciene Santos de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Teixeira, Leonardo Sena GomesArtigo de Periódico
2005Use of factorial design for optimization of microwave-assisted digestion of lubricating oilCosta, Letícia M.; Ferreira, Sergio Luis Costa; Nogueira, Ana Rita de Araujo; Nóbrega, Joaquim de AraújoArtigo de Periódico
2005The use of water soluble tertiary amine reagent for solubilization and metal determination in fish muscle tissueMelo, Maria H. A.; Costa, Antonio Celso Spinola; Nóbrega, Joaquim de Araújo; Ferreira, Sergio Luis CostaArtigo 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
1992Sequential determination of iron and titanium by flow-injection analysisBarberino, Maria Goreth Matos de Andrade; Ferreira, Sergio Luis Costa; Santos, B. F.; Costa, Antonio Celso SpinolaArtigo 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
1998Spectrophotometric Determination of Aluminium in Iron Ores Using Solid-Phase ExtractionFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Costa, Antonio Celso Spinola; Jesus, Djane Santiago de; Carvalho, Marcelo Souza deArtigo de Periódico
2006Separation and preconcentration procedures for the determination of lead using spectrometric techniques: A reviewKorn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de; Jesus, Djane S. de; Lemos, Valfredo Azevedo; Bandeira, Marcus Luciano Souza de Ferreira; Santos, Walter Nei Lopes dos; Bezerra, Marcos de Almeida; Amorim, Fábio Alan Carqueija; Souza, Anderson SantosArtigo 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
2006Statistical design-principal component analysis optimization of a multiple response procedure using cloud point extraction and simultaneous determination of metals by ICP OESBezerra, Marcos de Almeida; Bruns, Roy Edward; Ferreira, Sergio Luis CostaArtigo de Periódico

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