Determination of Copper and Cadmium in Petroleum Produced Formation Water by Electrothermal Atomic Absorption Spectrometry after Cloud Point Extraction

Authors: Souza, Valdinei S., Teixeira, Leonardo S. G., Santos, Queila O., Gomes, Ivaldo S., Bezerra, Marcos A.

Source: Journal of the Brazilian Chemical Society. June 2020 31(6)

Subject Terms: produced-formation water, constrained mixture design, cloud-point extraction, cadmium, copper

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Application of modified simplex on the development of a preconcentration system for cadmium determination in sediments, food and cigarettes

Authors: SANTOS, QUEILA O., MORENO, ISLANIA, SANTOS, LEANDRO DOS, SANTOS, ALDENOR G., SOUZA, VALDINEI S., BEZERRA, MARCOS A.

Source: Anais da Academia Brasileira de Ciências. June 2016 88(2)

Subject Terms: simplex optimization, preconcentration, cadmium, sediments, cigarettes, food

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Multivariate Optimization of a Simultaneous Cloud Point Extraction Procedure of Cd, Cu and Ni from Sediments Samples and Determination by ICP OES

Authors: Santos, Leandro dos, Santos, Queila O. dos, Moreno, Islania, Novaes, Cléber G., Santos, Márcio J. S. dos, Bezerra, Marcos A.

Source: Journal of the Brazilian Chemical Society. April 2016 27(4)

Subject Terms: sediments, cloud point extraction, multivariate optimization, metals, ICP OES

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Synthesis, characterization and application of ion imprinted poly(vinylimidazole) for zinc ion extraction/preconcentration with faas determination

Authors: Santos, Queila O. dos, Bezerra, Marcos A., Lima, Giovana de Fátima, Diniz, Kristiany M., Segatelli, Mariana G., Germiniano, Talitha O., Santos, Vivian da Silva, Tarley, César R. T.

Source: Química Nova. January 2014 37(1)

Subject Terms: ion imprinted polymer, zinc, adsorption

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Application of simplex optimization in the development of an automated online preconcentration system for manganese determination

Authors: Santos, Queila O. dos, Novaes, Cléber G., Bezerra, Marcos A., Lemos, Valfredo A., Moreno, Islania, Silva, Douglas G. da, Santos, Leandro dos

Source: Journal of the Brazilian Chemical Society. December 2010 21(12)

Subject Terms: vegetal leaves, natural waters, simplex optimization, manganese, automated online preconcentration

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An online preconcentration system for speciation analysis of arsenic in seawater by hydride generation flame atomic absorption spectrometry

Authors: dos Santos, Queila O., Silva Junior, Mario M., Lemos, Valfredo A., Ferreira, Sergio L.C., de Andrade, Jailson B.

Source: In Microchemical Journal December 2018 143:175-180

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