Browsing by Author Costa, Antonio Celso Spinola

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Issue DateTitleAuthor(s)Type
1997Spectrophotometric and inductively coupled plasma atomic emission spectrometric determination of titanium in ilmenites after rapid dissolution with phosphoric acidAndrade, Jailson Bittencourt de; Nunes, Genebaldo S.; Veiga, Merilio P.; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Amorim, Adelaide Maria Mendonça; Reis, Selma T.Artigo de Periódico
1992Sequential determination of iron and titanium by flow-injection analysisBarberino, Maria Goreth Matos de Andrade; Ferreira, Sergio Luis Costa; Santos, B. F.; Costa, Antonio Celso SpinolaArtigo de Periódico
3-Jun-2005Determination of Pb in river water samples by inductively coupled plasma optical emission spectrometry after ultrasound-assisted co-precipitation with manganese dioxideBispo, Márcia Sousa; Boa Morte, Elane Santos da; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena Gomes; Korn, Mauro; Costa, Antonio Celso SpinolaArtigo de Periódico
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 GomesArtigo de Periódico
1995Spectrophotometric determination of tin in copper-based alloys using pyrocatechol violetCosta, Antonio Celso Spinola; Teixeira, Leonardo Sena Gomes; Ferreira, Sergio Luis CostaArtigo de Periódico
2002Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline MatricesCosta, Antonio Celso Spinola; Lopes, Leila; Korn, Maria das Graças Andrade; Portela, Jicarla GusmãoArtigo de Periódico
1998Spectrophotometric determination of vanadium(IV) in the presence of vanadium(V) using Br-PADAPCosta, Antonio Celso Spinola; Teixeira, Leonardo Sena Gomes; Jaeger, Helena Valli; Ferreira, Sergio Luis CostaArtigo de Periódico
1993Simultaneous spectrophotometric determination of nickel and iron in copper-base alloy with bromo—PADAPCosta, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Barberino, Maria Goreth Matos de Andrade; Lôbo, Ivon PinheiroArtigo de Periódico
1999Uso de irradiação de microondas na determinação espectrofotométrica de cromo com EDTACosta, Antonio Celso Spinola; Assis, Júlio César Rosa; Torres, André Luís Carvalho; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena GomesArtigo de Periódico
2000Uso do violeta de alizarina N (AVN) como reagente espectrofotométrico na determinação de alumínioDantas, Alailson Falcão; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo de Periódico
2007Application of multivariate techniques for optimization of direct method for determination of lead in naphtha and petroleum condensate by electrothermal atomic absorption spectrometryDias, Fábio de Souza; Santos, Walter Nei Lopes dos; Costa, Antonio Celso Spinola; Welz, Bernhard; Vale, Maria Goreti R.; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Development and optimization of analytical method for the determination of cadmium from mineral water samples by off-line solid phase extraction system using sisal fiber loaded TAR by FAASDias, Fábio de Souza; Bonsucesso, Josemário Santana; Alves, Lucylia Suzart; Silva Filho, Domingos Correia da; Costa, Antonio Celso Spinola; Santos, Walter Nei Lopes dosArtigo de Periódico
2008Pre-concentration procedure for determination of copper and zinc in food samples by sequential multi-element flame atomic absorption spectrometryFerreira, Hadla S.; Santos, Ana C. N.; Portugal, Lindomar Andrade; Costa, Antonio Celso Spinola; Miró, Manuel; Ferreira, Sergio Luis CostaArtigo 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
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
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. deArtigo de Periódico
1996Derivative spectrophotometric determination of nickel using Br-PADAPFerreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Jesus, Djane S. deArtigo de Periódico
2000Copper determination in natural water samples by using FAAS after preconcentration onto amberlite XAD-2 loaded with calmagiteFerreira, Sergio Luis Costa; Ferreira, Janeide R.; Dantas, Alailson Falcão; Lemos, Valfredo Azevedo; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso SpinolaArtigo de Periódico
2000An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopyFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Moreira, Barbara C.; Costa, Antonio Celso Spinola; Santelli, Ricardo ErthalArtigo de Periódico
1996Spectrophotometric and derivative spectrophotometric determination of nickel with hydroxynaphthol blueFerreira, Sergio Luis Costa; Santos, Bruno F.; Andrade, Jailson Bittencourt de; Costa, Antonio Celso SpinolaArtigo de Periódico