Assessment of Physical-Chemical Characteristics of Water and Sediments from a Brazilian Tropical Estuary : Status and Environmental Implications von Ornelas, Vanessa C., de Andrade, Marta V. A. S., Pereira, Madson de G., de Almeida, Raimunda A. N., Fontes, Maurício P. F., Ribeiro, Joselito N., Ribeiro, Araceli V. F. N., dos Santos, Arnaud V., Souza, Adriana N., de Araújo, Claudiane B., de Araújo, Ana C. B., Onofre, Cássia R. E., Korn, Maria das G. A.

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Multivariate optimization in preconcentration procedure for manganese determination in seawater samples by FAAS von FERREIRA, Adriana C, KORN, Maria Das G. A, FERREIRA, Sérgio L. C

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Determination of iron in biodiesel based on fluorescence quenching of CdTe quantum dots von Rodrigues, S. Sofia M., Lima, Adriana S., Teixeira, Leonardo S.G., Korn, Maria das Graças A., Santos, João L.M.

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Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniques von Ferreira, Sérgio L.C., de Andrade, Jailson B., Korn, Maria das Graças A., Pereira, Madson de G., Lemos, Valfredo A., Santos, Walter N.L. dos, Rodrigues, Frederico de Medeiros, Souza, Anderson S., Ferreira, Hadla S., da Silva, Erik G.P.

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Optimization of sample preparation procedures for evaluation of the mineral composition of fish feeds using ICP-based methods von Souza, Sidnei O., Pereira, Talita Reis S., Ávila, Dayara Virgínia L., Paixão, Luciane B., Soares, Sarah Adriana R., Queiroz, Antônio Fernando S., Pessoa, Amália Geíza G., Korn, Maria das Graças A., Maranhão, Tatiane A., Araujo, Rennan Geovanny O.

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Evaluation of the Profiles of Essential and Potentially Toxic Elements Present in Grape Must Grown and Soil from the Region Submedium São Francisco, Brazil von Santos, Vanessa, Araujo, Rennan, Almeida, Tarcísio, dos Santos, Wagna, Korn, Maria das Graças

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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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Mineral composition of wheat flour consumed in Brazilian cities von Araujo, Rennan G. O., Macedo, Samuel M., Korn, Maria das Graças A., Pimentel, Maria Fernanda, Bruns, Roy E., Ferreira, Sergio L. C.

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Use of cetyltrimethylammonium bromide as surfactant for the determination of copper and chromium in gasoline emulsions by electrothermal atomic absorption spectrometry von dos Santos, Denilson S.S., Teixeira, Alete P., Barbosa, José T.P., Ferreira, Sérgio L.C., Korn, Maria das Graças A., Teixeira, Leonardo S.G.

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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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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 von TEIXEIRA, L. S. G, REIS, J. O. N, COSTA, A. C. S, FERREIRA, S. L. C, KORN, M. D. G. A, DE ANDRADE, J. B

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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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Determination of Nickel in Alkaline Salts by Inductively Coupled Plasma Atomic Emission Spectroscopy Using 1-(2-Thiazolylazo)-p-Cresol for Preconcentration and Separation von Ferreira, Sérgio L. C., Queiroz, Adriana S., Korn, Maria das Graças A., Spinola Costa, A. C.

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Alternativas analíticas para determinação de ferro e titânio em cimento Portland von Franco Jr, Jorge de O., Korn, Maria das Graças A., Costa, Antonio Celso S., Santos Jr, Anibal de Freitas, Teixeira, Leonardo S. G.

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Review of Procedures Involving Separation and Preconcentration for the Determination of Cadmium Using Spectrometric Techniques von Ferreira, Sergio L. C., de Andrade, Jailson B., Korn, Maria das Gracas A., Pereira, Madson de G., Lemos, Valfredo A., dos Santos, Walter N. L., Rodrigues, Frederico de Medeiros, Souza, Anderson S., Ferreira, Hadla S., da Silva, Erik G. P.

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