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Data do documentoTítuloAutor(es)Tipo
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
1998Polyurethane foam as a sorbent for continuous flow analysis: preconcentration and spectrophotometric determination of zinc in biological materialsJesus, Djane Santiago de; Cassella, Ricardo Jorgensen; Ferreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Carvalho, Marcelo Souza de; Santelli, Ricardo ErthalArtigo de Periódico
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
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
1996Derivative spectrophotometric determination of nickel using Br-PADAPFerreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Jesus, Djane S. deArtigo 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
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
1999An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloysFerreira, Sergio Luis Costa; Jesus, Djane Santiago de; Cassella, Ricardo Jorgensen; Costa, Antonio Celso Spinola; Carvalho, Marcelo Souza de; Santelli, Ricardo ErthalArtigo 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
1997Spectrophotometric and inductively coupled plasma atomic emission spectrometric determination of titanium in ilmenites after rapid dissolution with phosphoric acidAndrade, Jailson Bittencourt de; Nunes, Genebaldo S.; Veiga, Merilio P.; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Amorim, Adelaide Maria Mendonça; Reis, Selma T.Artigo de Periódico

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