Browsing by Author Costa, Antonio Celso Spinola

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Issue DateTitleAuthor(s)Type
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
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
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
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
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
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
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
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
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
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
2002Determinação de Mn, Cu e Zn em matrizes salinas após separação e pré-concentração usando amberlite XAD-7 impregnada com vermelho de Alizarina SSantos Junior, Aníbal de Freitas; Korn, Maria das Graças Andrade; Jaeger, Helena Valli; Silva, Nívia Maria Silveira; Costa, Antonio Celso SpinolaArtigo de Periódico
2008Use of Doehlert design for optimizing the digestion of beans for multi-element determination by inductively coupled plasma optical emission spectrometrySantos, Wagna Piler C. dos; Gramacho, Diogenes R.; Teixeira, Alete Paixão; Costa, Antonio Celso Spinola; Korn, Maria das Graças AndradeArtigo de Periódico
2006An on-line pre-concentration system for determination of cadmium in drinking water using FAASSantos, Walter Nei Lopes dos; Costa, Jorge L. O.; Araujo, Rennan Geovanny Oliveira; Jesus, Djane S. de; Costa, Antonio Celso SpinolaArtigo de Periódico
2005Determination of copper in powdered chocolate samples by slurry-sampling flame atomic-absorption spectrometrySantos, Walter Nei Lopes dos; Silva, Erik Galvão Paranhos da; Fernandes, Marcelo Santiago; Araujo, Rennan Geovanny Oliveira; Costa, Antonio Celso SpinolaArtigo de Periódico
2000Nickel and zinc determination by flow-injection solid-phase spectrophotometry exploiting different sorption ratesTeixeira, Leonardo Sena Gomes; Rocha, Fábio Rodrigo Piovezani; Korn, Mauro; Reis, Boaventura F.; Ferreira, Sergio Luis Costa; Costa, Antonio Celso SpinolaArtigo de Periódico
2011Use of nitroanilines for spectrophotometric determination of ethinylestradiol in pharmaceutical formulationsTeixeira, Leonardo Sena Gomes; Teixeira, Maiana de Araujo; Bueno, Admar Jorge Machado; Brito, Cristiane F. de; Dantas, Alailson Falcão; Costa, Antonio Celso SpinolaArtigo de Periódico