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Results 1-10 of 143 (Search time: 0.036 seconds).

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Issue DateTitleAuthor(s)
2008Espectrometria de absorção atômica: o caminho para determinações multi-elementaresAmorim, Fábio Alan Carqueija; Lôbo, Ivon Pinheiro; Santos, Vera Lucia C. S.; Ferreira, Sergio Luis Costa
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. de
Jan-2004Spectrophotometric determination of chromium in steel with 4-(2- thiazolylazo)-resorcinol (TAR) using microwave radiationCarvalho, Luciene Santos de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Teixeira, Leonardo Sena Gomes
2010Development of an analytical approach for determination of total arsenic and arsenic (III) in airborne particulate matter by slurry sampling and HG-FAASMacedo, Samuel Marques; Santos, Debora C. dos; Jesus, Raildo M. de; Rocha, Gisele O. da; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de
15-Dec-2009Statistical mixture design development of digestion methods for Oyster tissue using inductively coupled plasma optical emission spectrometry for the determination of metallic ionsNano, Rita M. W.; Bruns, Roy Edward; Ferreira, Sergio Luis Costa; Baccan, Nivaldo; Cadore, Solange
2013Determination of silver in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid samplingAraujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut
1995Spectrophotometric determination of tin in copper-based alloys using pyrocatechol violetCosta, Antonio Celso Spinola; Teixeira, Leonardo Sena Gomes; Ferreira, Sergio Luis Costa
2011Determination and Evaluation of the Mineral Composition of Chinese Cabbage (Beta vulgaris)Santos, Ana Maria Pinto dos; Oliveira, Adriana Caires; Souza, Anderson Santos; Jesus, Robson Mota de; Ferreira, Sergio Luis Costa
2013Pressure-driven mesofluidic platform integrating automated on-chip renewable micro-solid-phase extraction for ultrasensitive determination of waterborne inorganic mercuryPortugal, Lindomar A.; Laglera, Luis M.; Anthemidis, Aristidis N.; Ferreira, Sergio Luis Costa; Miró, Manuel
2009Multivariate optimization and validation of an analytical method for the determination of cadmium in wines employing ET AASFerreira, Sergio Luis Costa; Jesus, Robson M. de; Matos, Geraldo D.; Andrade, Jailson Bittencourt de; Bruns, Roy Edward; Santos, Walter Nei Lopes dos; Cavalcante, Dannuza Dias; Vale, Maria G. R.; Dessuy, Morgana B.

 

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