1. Universidade Federal da Bahia

Navegando por Autor Ferreira, Sergio Luis Costa

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Data do documentoTítuloAutor(es)Tipo
1998Preconcentration and Determination of Copper and Zinc in Natural Water Samples by ICP-AES After Complexation and Sorption on Amberlite XAD-2Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Ferreira, Janeide Reis; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso Spinola; Jesus, Djane Santiago deArtigo de Periódico
1988Spectrophotometric determination of nickel in copper-base alloy with 2-(2-thiazoly lazo)-p -cresolFerreira, Sergio Luis CostaArtigo de Periódico
19912-(2-Thiazolylazo)-p-cresol (TAC) as a reagent for the spectrophotometric determination of indium(III)Ferreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Andrade, H. A. S.Artigo 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
1996Fast spectrophotometric determination of titanium in rocks with 3,4-dihydroxybenzoic acidFerreira, Sergio Luis Costa; Araújo, Neyla Margarida Lopo de; Matos, Renato C.; Torres, André Luís Carvalho; Costa, Antonio Celso SpinolaArtigo de Periódico
2013A review of reflux systems using cold finger for sample preparation in the determination of volatile elementsFerreira, Sergio Luis Costa; Silva, Laiana O. B.; Santana, Fernanda Alves de; S. Junior, Mario M.; Matos, Geraldo D.; Santos, Walter Nei Lopes dosArtigo de Periódico
2002Application of Doehlert matrix and factorial designs in optimization of experimental variables associated with preconcentration and determination of molybdenum in sea-water by inductively coupled plasma optical emission spectrometryFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Carvalho, Marcelo Souza de; Fernandes, Marcelo SantiagoArtigo 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
1994Use of 1-(2-thiazolylazo) 2-naphthol in rapid determination of iron in geological matricesFerreira, Sergio Luis Costa; Nano, Rita M. W.Artigo de Periódico
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
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
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
19932-(2-Thiazolylazo)-p-Cresol (TAC) as a Reagent for the Spectrophotometric Determination of Titanium (IV)Ferreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Andrade, Henrique A. S.Artigo de Periódico
2008Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plantGaujac, Alain; Emídio, Elissandro Soares; Navickiene, Sandro; Ferreira, Sergio Luis Costa; Dórea, Haroldo SilveiraArtigo de Periódico
2010Inorganic As speciation and bioavailability in estuarine sediments of Todos os Santos Bay, BA, BrazilHatje, Vanessa; Macedo, Samuel Marques; Jesus, R. M. de; Cotrim, G.; Garcia, K. S.; Queiroz, Antônio Fernando de Souza; Ferreira, Sergio Luis CostaArtigo de Periódico
2000A separation method to overcome the interference of aluminium on zinc determination by inductively coupled plasma atomic emission spectroscopyJesus, Djane S. de; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza deArtigo 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
1998Quantitative separation of zinc traces from cadmium matrices by solid-phase extraction with polyurethane foamJesus, Djane Santiago de; Carvalho, Marcelo Souza de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo de Periódico
1998Quantitative separation of zinc traces from cadmium matrices by solid-phase extraction with polyurethane foamJesus, Djane Santiago de; Carvalho, Marcelo Souza de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Determination of mercury in phosphate fertilizers by cold vapor atomic absorption spectrometryJesus, Robson M. de; Silva, Laiana O. B.; Castro, Jacira T.; Azevedo Neto, André Dias de; Jesus, Raildo M. de; Ferreira, Sergio Luis CostaArtigo de Periódico
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