Copper, 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 S von Korn, Maria das Graças A., Santos Jr, Aníbal de Freitas, Jaeger, Helena V., Silva, Nívia Maria S., Costa, Antônio C. Spínola

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Metal fractionation in sediments of the Sergipe River, northeast, Brazil von Passos, Elisangela de Andrade, Alves, Jose do Patrocínio H., Garcia, Carlos Alexandre B., Costa, Antonio C. Spinola

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Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline Matrices von Costa, Antônio C. Spínola, Lopes, Leila, Korn, Maria das Graças A., Portela, Jicarla G.

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Determinação espectrofotométrica simultânea de cobre e ferro em álcool etílico combustível com reagentes derivados da ferroína von Teixeira, Leonardo S. G., Brasileiro, João F., Borges Jr, Mário M., Cordeiro, Paulo W. L., Rocha, Sarah A. N., Costa, Antonio C. Spínola

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Determination of sulfide in waters by flow-injection solid phase spectrophotometry von CASSELLA, Ricardo J, TEIXEIRA, Leonardo S. G, GARRIGUES, Salvador, SPINOLA COSTA, Antonio C, SANTELLI, Ricardo E, DE LA GUARDIA, Miguel

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Assessment of trace metals contamination in estuarine sediments using a sequential extraction technique and principal component analysis von Passos, Elisangela de Andrade, Alves, Jeferson C., dos Santos, Izaias S., Alves, Jose do Patrocínio H., Garcia, Carlos Alexandre B., Spinola Costa, Antonio C.

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Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline Matrices von Costa, Antônio C. Spínola, Lopes, Leila, Korn, Maria das Graças A., Portela, Jicarla G.

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Determinação espectrofotométrica simultânea de cobre e ferro em álcool etílico combustível com reagentes derivados da ferroína Simultaneous spectrophotometric determination of iron... von Leonardo S. G. Teixeira, João F. Brasileiro, Mário M. Borges Jr, Paulo W. L. Cordeiro, Sarah A. N. Rocha, Antonio C. Spínola Costa

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Spectrophotometric and derivative spectrophotometric determination of nickel with hydroxynaphthol blue von FERREIRA, S. L. C, SANTOS, B. F, DE ANDRADE, J. B, SPINOLA COSTA, A. C

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Genomic evidence of yellow fever virus in Aedes scapularis, southeastern Brazil, 2016 von Cunha, Mariana Sequetin, Faria, Nuno Rodrigues, Caleiro, Giovana Santos, Candido, Darlan Silva, Hill, Sarah C., Claro, Ingra Morales, da Costa, Antônio Charlys, Nogueira, Juliana Silva, Maeda, Adriana Yurika, da Silva, Fernanda Gisele, de Souza, Renato Pereira, Spinola, Roberta, Tubaki, Rosa Maria, de Menezes, Regiane Maria Tironi, Abade, Leandro, Mucci, Luís Filipe, Timenetsky, Maria do Carmo Sampaio Tavares, Sabino, Esther

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Determination of Pb in river water samples by inductively coupled plasma optical emission spectrometry after ultrasound-assisted co-precipitation with manganese dioxide von Bispo, Márcia Sousa, Morte, Elane Santos da Boa, Korn, Maria das Graças Andrade, Teixeira, Leonardo Sena Gomes, Korn, Mauro, Costa, Antônio Celso Spínola

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An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys von Ferreira, Sérgio Luis Costa, de Jesus, Djane Santiago, Cassella, Ricardo Jorgensen, Costa, Antonio Celso Spinola, de Carvalho, Marcelo Souza, Santelli, Ricardo Erthal

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Quantitative separation of zinc traces from cadmium matrices by solid-phase extraction with polyurethane foam von SANTIAGO DE JESUS, D, SOUZA DE CARVALHO, M, SPINOLA COSTA, A. C, COSTA FERREIRA, S. L

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Solid phase spectrophotometry for the determination of cobalt in pharmaceutical preparations von SENA GOMES TEIXEIRA, Leonardo, SPINOLA COSTA, Antonio Celso, ROSA ASSIS, Julio César, COSTA FERREIRA, Sérgio Luis, KORN, Mauro

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Yellow fever: reemerging in the state of Sao Paulo, Brazil, 2009 von Mascheretti, Melissa, Tengan, Ciléa H, Sato, Helena Keiko, Suzuki, Akemi, de Souza, Renato Pereira, Maeda, Marina, Brasil, Roosecelis, Pereira, Mariza, Tubaki, Rosa Maria, Wanderley, Dalva M V, Fortaleza, Carlos Magno Castelo Branco, Ribeiro, Ana Freitas

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Spectrophotometric Determination of Zinc Using 7-(4-Nitrophenylazo)-8-Hydroxyquinoline-5-Sulfonic Acid von Korn, Maria das Graças Andrade, Ferreira, Adriana Costa, Teixeira, Leonardo Sena Gomes, Costa, Antonio Celso Spínola

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Preconcentration and Determination of Copper and Zinc in Natural Water Samples by ICP-AES After Complexation and Sorption on Amberlite XAD-2 von Ferreira, Sérgio Luis Costa, Santos, Hilda Costa dos, Ferreira, Janeide Reis, Araújo, Neyla Margarida Lopo de, Costa, Antônio Celso Spinola, Jesus, Djane Santiago de

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A qualitative test for lead with chloranilic acid von Costa, Ant nio Celso Spinola

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