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Data do documentoTítuloAutor(es)Tipo
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
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
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
1995Spectrophotometric determination of zinc in copper-base alloys with TANFerreira, Sergio Luis Costa; Araújo, Neyla Margarida Lopo de; Santos, Adriana B.; Dantas, Alailson Falcão; 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
Mai-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
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
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
1999Flow-injection solid-phase spectrophotometry for the determination of zinc in pharmaceutical preparationsTeixeira, Leonardo Sena Gomes; Rocha, Fábio Rodrigo Piovezani; Korn, Mauro; Reis, Boaventura F.; Ferreira, Sergio Luis Costa; Costa, Antonio Celso SpinolaArtigo 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