1. Universidade Federal da Bahia

Navegando por Autor Ferreira, Sergio Luis Costa

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Data do documentoTítuloAutor(es)Tipo
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
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
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
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
1997Sensitive spectrophotometric determination of ascorbic acid in fruit juices and pharmaceutical formulations using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (Br-PADAP)Ferreira, Sergio Luis Costa; Bandeira, Marcus Luciano Souza de Ferreira; Lemos, Valfredo Azevedo; Santos, Hilda Costa dos; Costa, Antonio Celso Spinola; Jesus, Djane S. deArtigo 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
2004Factorial design for multivariate optimization of an on-line preconcentration system for platinum determination by ultrasonic nebulization coupled to inductively coupled plasma optical emission spectrometryFerreira, Sergio Luis Costa; Cerutti, S.; Salonia, J. A.; Olsina, R. A.; Martinez, L. D.Artigo de Periódico
2012The chemical generation of NO for the determination of nitrite by high-resolution continuum source molecular absorption spectrometryFerreira, Sergio Luis Costa; Brandão, Geovani Cardoso; Lima, Daniel C.Artigo de Periódico
2011Aluminium as chemical modifier for the determination of lead in sugar cane spirits using electrothermal atomic absorption spectrometryFerreira, Sergio Luis Costa; Portugal, Lindomar Andrade; Matos, Geraldo Domingues; Silva, Douglas Gonçalves da; Jesus, Robson Mota de; Brito, Geysa BarretoArtigo de Periódico
2000Copper determination in natural water samples by using FAAS after preconcentration onto amberlite XAD-2 loaded with calmagiteFerreira, Sergio Luis Costa; Ferreira, Janeide R.; Dantas, Alailson Falcão; Lemos, Valfredo Azevedo; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso SpinolaArtigo de Periódico
1999Nickel determination in saline matrices by ICP-AES after sorption on Amberlite XAD-2 loaded with PANFerreira, Sergio Luis Costa; Brito, Cristiane F. de; Dantas, Alailson Falcão; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso SpinolaArtigo de Periódico
1988Spectrophotometric determination of nickel in copper-base alloy with 2-(2-thiazoly lazo)-p -cresolFerreira, Sergio Luis CostaArtigo de Periódico
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
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
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
1996Derivative spectrophotometric determination of nickel using Br-PADAPFerreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Jesus, Djane S. deArtigo de Periódico
2007Development of method for the speciation of inorganic iron in wine samplesFerreira, Sergio Luis Costa; Ferreira, Hadla S.; Jesus, Robson M. de; Santos, João Victor da Silva; Brandão, Geovani Cardoso; Souza, Anderson SantosArtigo de Periódico
2000An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopyFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Moreira, Barbara C.; Costa, Antonio Celso Spinola; Santelli, Ricardo ErthalArtigo de Periódico
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