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Data do documentoTítuloAutor(es)Tipo
1994Spectrophotometric and derivative spectrophotometric determination of aluminium with Hydroxynaphthol BlueFerreira, Sergio Luis Costa; Leite, Neide O.; Dantas, Alailson Falcão; Andrade, Jailson Bittencourt de; Costa, Antonio Celso SpinolaArtigo de Periódico
2012Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MSMartínez, Maria Sánchez; Silva, Erik Galvão Paranhos da; Corona, Teresa Pérez; Cámara, Carmen; Ferreira, Sergio Luis Costa; Madrid, YolandaArtigo de Periódico
2001On-line preconcentration system for lead determination in seafood samples by flame atomic absorption spectrometry using polyurethane foam loaded with 2-(2-benzothiazolylazo)-2-p-cresolLemos, Valfredo Azevedo; Ferreira, Sergio Luis CostaArtigo de Periódico
2011Speciation analysis of inorganic antimony in airborne particulate matter employing slurry sampling and HG QT AASFerreira, Sergio Luis Costa; Macedo, Samuel Marques; Santos, Debora C. dos; Jesus, Raildo M. de; Santos, Walter Nei Lopes dosArtigo de Periódico
2012Factorial and Doehlert designs in the optimization of a separation procedure using polyurethane foam as a solid phase extractant for platinum determination in ferrous matrices using inductively coupled plasma optical emission spectroscopyAraújo, Neyla Margarida Lopo de; Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago de; Bezerra, Marcos de AlmeidaArtigo de Periódico
2010Mineral composition of Lippia alba (Mill.) N.E. Brown leavesReis, Pedro Sanches dos; Estevam, Idalia Helena Santos; Santos, Wagna P. C. dos; Korn, Maria das Graças Andrade; David, Jorge Mauricio; David, Juceni Pereira de Lima; Araujo, Rennan Geovanny Oliveira; Pimentel, Maria Fernanda; Ferreira, Sergio Luis CostaArtigo de Periódico
2011Optimization of the operating conditions using factorial designs for determination of uranium by inductively coupled plasma optical emission spectrometrySantos, Juracir S.; Teixeira, Leonardo Sena Gomes; Araujo, Rennan Geovanny Oliveira; Fernandes, Andréa Pires; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico
2011Determination and Evaluation of the Mineral Composition of Chinese Cabbage (Beta vulgaris)Santos, Ana Maria Pinto dos; Oliveira, Adriana Caires; Souza, Anderson Santos; Jesus, Robson Mota de; Ferreira, Sergio Luis CostaArtigo de Periódico
2001An automated on-line flow system for the pre-concentration and determination of lead by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Ganzarolli, Edgard; Curtius, Adilson JoséArtigo de Periódico
2000Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: cadmium determination by FAASLemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Carvalho, Marcelo Souza de; Ferreira, Sergio Luis CostaArtigo de Periódico