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Data do documentoTítuloAutor(es)Tipo
2003Application of Doehlert designs for optimisation of an on-line preconcentration system for copper determination by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Bezerra, Marcos de Almeida; Santos, Walter Nei Lopes dos; Barros Neto, Benício deArtigo de Periódico
2013Determination of the mineral composition of Brazilian rice and evaluation using chemometric techniquesSilva, Douglas Gonçalves da; Scarminio, Ieda Spacino; Anunciação, Daniela Santos; Souza, Anderson Santos; Silva, Erik Galvão Paranhos da; Ferreira, Sergio Luis CostaArtigo 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
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
2007Determination of zinc and copper in human hair by slurry sampling employing sequential multi-element flame atomic absorption spectrometryFerreira, Hadla S.; Santos, Walter Nei Lopes dos; Fiuza, Raigenis da Paz; Nóbrega, Joaquim de Araújo; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Determination of mercury in rice by MSFIA and cold vapour atomic fluorescence spectrometrySilva, Douglas Gonçalves da; Portugal, Lindomar Andrade; Serra, Antonio M.; Ferreira, Sergio Luis Costa; Cerdà, VictorArtigo de Periódico
1996Spectrophotometric and derivative spectrophotometric determination of nickel with hydroxynaphthol blueFerreira, Sergio Luis Costa; Santos, Bruno F.; Andrade, Jailson Bittencourt de; Costa, Antonio Celso SpinolaArtigo de Periódico
2007Methods for vanadium determination in fuel oil by GF AAS with microemulsification and acid digestion samplingAmorim, Fábio Alan Carqueija; Lima, Daniel C.; Amaro, Joana Angélica de Azerêdo; Vale, Maria Goreti R.; Ferreira, Sergio Luis CostaArtigo de Periódico
1997Determination of Iron in Alkaline Salts by ICP-AES Using 1-(2-Thiazolylazo)-p-Cresol (TAC) for Preconcentration and SeparationFerreira, Sergio Luis Costa; Queiroz, Adriana Santana; Assis, Júlio César Rosa; Korn, Maria das Graças Andrade; Costa, Antonio Celso SpinolaArtigo de Periódico

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