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Data do documento	Título	Autor(es)	Tipo
1999	Spectrophotometric Determination of Uranium Using 2-(2-Thiazolylazo)-p-Cresol (TAC) in the Presence of Surfactants	Teixeira, Leonardo Sena Gomes; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Freitas, Maria de Lourdes; Carvalho, Marcelo Souza de	Artigo de Periódico
1998	ICP–AES determination of small amounts of zinc in copper-base alloys after separation by adsorption of the zinc–TAN complex on Sep Pak C18 cartridges	Teixeira, Leonardo Sena Gomes; Reis, José Oscar N.; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Andrade, Jailson Bittencourt de	Artigo de Periódico
Mai-2011	Determination of mercury in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sampling	Araujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Borges, Daniel L. G.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut	Artigo de Periódico
1999	Selectivity enhancement in spectrophotometry: on-line interference suppression using polyurethane foam minicolumn for aluminum determination with Methyl Thymol Blue	Cassella, Ricardo Jorgensen; Santelli, Ricardo Erthal; Branco, Aline Garcia; Lemos, Valfredo Azevedo; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza de	Artigo de Periódico
2004	Characterization and determination of the thermodynamic and kinetic properties of the adsorption of the molybdenum(VI)–calmagite complex onto active carbon	Ferreira, Sergio Luis Costa; Andrade, Heloysa Martins Carvalho; Talma, Hilda Costa dos Santos	Artigo de Periódico
2001	Solid phase spectrophotometry for the determination of cobalt in pharmaceutical preparations	Teixeira, Leonardo Sena Gomes; Costa, Antonio Celso Spinola; Assis, Júlio César Rosa; Ferreira, Sergio Luis Costa; Korn, Mauro	Artigo de Periódico
2007	Use of cetyltrimethylammonium bromide as surfactant for the determination of copper and chromium in gasoline emulsions by electrothermal atomic absorption spectrometry	Santos, Denilson S. S. dos; Teixeira, Alete Paixão; Barbosa, José Tiago Pereira; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena Gomes	Artigo de Periódico
2008	Fast method for the determination of copper, manganese and iron in seafood samples	Silva, Erik Galvão Paranhos da; Hatje, Vanessa; Santos, Walter Nei Lopes dos; Costa, Letícia M.; Nogueira, Ana Rita de Araujo; Ferreira, Sergio Luis Costa	Artigo de Periódico
2000	An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopy	Ferreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Moreira, Barbara C.; Costa, Antonio Celso Spinola; Santelli, Ricardo Erthal	Artigo de Periódico
2011	Optimization of the operating conditions using factorial designs for determination of uranium by inductively coupled plasma optical emission spectrometry	Santos, Juracir S.; Teixeira, Leonardo Sena Gomes; Araujo, Rennan Geovanny Oliveira; Fernandes, Andréa Pires; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa	Artigo de Periódico