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Browsing by Author Costa, Antonio Celso Spinola

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Showing results 26 to 45 of 59 < previous   next >
Issue DateTitleAuthor(s)Type
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
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
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
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
2001Alternativas analíticas para determinação de ferro e titânio em cimento PortlandFranco Junior, Jorge de Oliveira; Korn, Maria das Graças Andrade; Costa, Antonio Celso Spinola; Santos Junior, Aníbal de Freitas; Teixeira, Leonardo Sena GomesArtigo 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
2004Copper, zinc and manganese determination in saline samples employing faas after separation and preconcentration on Amberlite XAD-7 and Dowex 1x-8 loaded with Alizarin Red SKorn, Maria das Graças Andrade; Santos Junior, Aníbal de Freitas; Jaeger, Helena Valli; Silva, Nívia Maria S.; Costa, Antonio Celso SpinolaArtigo de Periódico
1999Spectrophotometric Determination of Zinc Using 7-(4-Nitrophenylazo)-8-Hydroxyquinoline-5-Sulfonic AcidKorn, Maria das Graças Andrade; Ferreira, Adriana Costa; Teixeira, Leonardo Sena Gomes; Costa, Antonio Celso SpinolaArtigo de Periódico
2002Comparison of decomposition procedures for analysis of titanium dioxide using inductively coupled plasma optical emission spectrometryKorn, Maria das Graças Andrade; Ferreira, Adriana C.; Costa, Antonio Celso Spinola; Nóbrega, Joaquim de Araújo; Silva, Claudinéia R.Artigo de Periódico
2004Preliminary evaluation of the cadmium concentration in seawater of the Salvador City, BrazilKorn, Maria das Graças Andrade; Ferreira, Adriana Costa; Costa, Antonio Celso SpinolaArtigo de Periódico
2009Speciation of chromium in river water samples contaminated with leather effluents by flame atomic absorption spectrometry after separation/preconcentration by cloud point extractionMatos, Geraldo D.; Reis, Edmagno B. dos; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo de Periódico
2005The use of water soluble tertiary amine reagent for solubilization and metal determination in fish muscle tissueMelo, Maria H. A.; Costa, Antonio Celso Spinola; Nóbrega, Joaquim de Araújo; Ferreira, Sergio Luis CostaArtigo de Periódico
May-2011Metal fractionation in sediments of the Sergipe River, northeast, BrazilPassos, Elisangela de Andrade; Alves, Jose do Patrocínio H.; Garcia, Carlos Alexandre B.; Costa, Antonio Celso SpinolaArtigo de Periódico
2010Assessment of trace metals contamination in estuarine sediments using a sequential extraction technique and principal component analysisPassos, Elisangela de Andrade; Alves, Jeferson C.; Santos, Izaias S. dos; Alves, Jose do Patrocínio H.; Garcia, Carlos Alexandre B.; Costa, Antonio Celso SpinolaArtigo de Periódico
2004Determination of Vitamin B6 in pharmaceutical formulations by flow injection-solid phase spectrophotometryPortela, Jicarla Gusmão; Costa, Antonio Celso Spinola; Teixeira, Leonardo Sena GomesArtigo de Periódico
2000Construção de uma cela de fluxo para medidas por espectrofotometria em fase sólidaReis, Boaventura F.; Rocha, Fábio Rodrigo Piovezani; Teixeira, Leonardo Sena Gomes; Costa, Antonio Celso Spinola; Korn, MauroArtigo de Periódico
2008Spectrofotometric determination of copper in sugar cane spirit using biquinoline in the presence of ethanol and Triton X-100Rocha, Sarah Adriana do Nascimento; Dantas, Alailson Falcão; Jaeger, Helena Valli; Costa, Antonio Celso Spinola; Leão, Elsimar dos Santos; Gonçalves, Mara RúbiaArtigo de Periódico
Showing results 26 to 45 of 59 < previous   next >