Flow-Injection Spectrophotometric Determination of Paraoxon by Its Inhibitory Effect on the Enzyme Acetylcholinesterase von RODRIGUES, Tereza C., TUBINO, Matthieu, GODINHO, Oswaldo E. S., NETO, Graciliano de Oliveira

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Determination of acetylsalicylic acid in tablets with salicylate ion selective electrode in a Batch Injection Analysis system von Fernandes, Julio Cesar B., Garcia, Carlos Alexandre B., Grandin, Luciane A., Oliveira Neto, Graciliano de, Godinho, Oswaldo E.S.

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Determination of the Acidity of Oils Using Paraformaldehyde as a Thermometric End-Point Indicator von Carneiro, Mário J. D., Feres Júnior, Mário A., Godinho, Oswaldo E. S.

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An indirect voltammetric approach for the determination of cyanide at a chemically modified electrode von Sousa, Maria de Fátima B., Godinho, Oswaldo E. S., Aleixo, Luiz M.

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An immobilized acetylcholinesterase flow-injection conductimetric system for the determination of paraoxon von RODRIGUES, T. C, TUBINO, M, GODINHO, O. E. S, DE OLIVEIRA NETO, G

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Paraformaldehyde as an end-point indicator in hydrolytic thermometric titration of metal ions and iodine von FERNANDES, J. C. B, ALEIXO, L. M, DE OLIVEIRA NETO, G, GODINHO, O. E. S

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Determination of ionizable groups of proteins by potentiometric titration in concentrated solutions of guanidine hydrochloride von MASINI, J. C, GODINHO, O. E. S, ALEIXO, L. M

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Utilization of Canavalia maritima as biocatalyst for urea biosensors von de Oliveira Neto, Gracliano, Godinho, Oswaldo E. S., Aleixo, Luiz M., da Silva, Valdinete L.

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Formalin and paraformaldehyde as end-point indicators in catalytic thermometric titrimetry von GODINHO, O. E. S, FERNANDES, J. C. B, ALEIXO, L. M, DE OLIVEIRA NETO, G

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Titration of proteins in dimethyl sulphoxide-water mixtures von GODINHO, O. E. S, RAIMUNDO, I. M, ALEIXO, L. M, NETO, O

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Thermodynamic and kinetic implications involved in the titration of polyfunctional acids by catalytic thermometric titrimetry von GODINHO, O. E. S, NAKATANI, H. S, RAIMUNDO, I. M, ALEIXO, L. M, DE OLIVEIRA NETO, G

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Determination of total sulphur in ethanol by reduction using Raney nickel and detection by cathodic stripping voltammetry von ALEIXO, L. M, RATH, S, GODINHO, O. E. S, IVASKA, A. U

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Use of cumene hydroperoxide as an end-point indicator in the titration of bases by catalytic thermometric titrimetry von Godinho, Oswaldo E. S., Grassi, Marco T., Raimundo, Ivo M., Aleixo, Luiz M., de Oliveira Neto, Graciliano

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Procedure for the simultaneous determination of tartaric and citric acids and total carbonate by potentiometric titrimetry and its application to antacid analysis von DE SOUZA, N. E, GODINHO, O. E. S, ALEIXO, L. M

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A new spot test for fluoride von Godinho, Oswaldo E. S., de Oliveira Neto, Graciliano

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An experiment illustrating countercurrent chromatography with simple apparatus von Godinho, Oswaldo E. S, Braga, Gilberto L

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