Development of a tubular fluoride potentiometric detector for flow analysis Evaluation and analytical applications von RODRIGO SANTOS, Joao, LAPA, R. A. S, LIMA, José L. F. C

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Fluorimetric determination of isoniazid by oxidation with cerium(IV) in a multicommutated flow system von Lapa, Rui A.S, Lima, José L.F.C, Santos, João L.M

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A flow-batch titrator exploiting a one-dimensional optimisation algorithm for end point search von Honorato, Ricardo S., Araújo, Mário César U., Lima, Ricardo A.C., Zagatto, Elias A.G., Lapa, Rui A.S., Costa Lima, José L.F.

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Determination of Low Levels of Nitrates in Natural Waters by Direct Potentiometry Using an Ion Selective Electrode of Improved Sensitivity von Lapa, R. A. S., Lima, J. L. F. C., Barrado, E., Vela, H.

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Development of a tubular fluoride potentiometric detector for flow analysis von Santos, João Rodrigo, Lapa, R.A.S., Lima, José L.F.C.

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Construction and evaluation of ion selective electrodes for nitrate with a summing operational amplifier. Application to tobacco analysis von Pérez-Olmos, R, Rios, A, Fernández, J.R, Lapa, R.A.S, Lima, J.L.F.C

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Dual-stopped-flow spectrophotometric determination of amiloride hydrochloride in a multicommutated flow system von Lapa, Rui A.S, Lima, José L.F.C, Santos, João L.M

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Construction and evaluation of ion-selective electrodes for potassium and calcium with a summing operational amplifier. Application to wine analysis von PEREZ-OLMOS, R, RIOS, A, LAPA, R. A. S, LIMA, J. L. F. C

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Construction and evaluation of ion selective electrodes for perchlorate with a summing operational amplifier : application to pyrotechnics mixtures analysis von PEREZ-OLMOS, R, RIOS, A, MARTIN, M. P, LAPA, R. A. S, LIMA, J. L. F. C

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A multicommutated flow system with on-line compensation of the Schlieren effect applied to the spectrophotometric determination of pindolol von Lapa, Rui A.S, Lima, José L.F.C, Reis, Boaventura F, Santos, João L.M, Zagatto, Elias A.G

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An automatic titrator based on a multicommutated unsegmented flow system: Its application to acid–base titrations von Almeida, Cristina M.N.V., Lapa, Rui A.S., Lima, José L.F.C., Zagatto, Elias A.G., Araújo, M.C.U.

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Continuous sample recirculation in an opened-loop multicommutated flow system von Lapa, Rui A.S, Lima, José L.F.C, Reis, Boaventura F, Santos, João L.M

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A Monosegmented Flow Titration for the Spectrophotometric Determination of Total Acidity in Vinegar von HONORATO, Ricardo S., ARAÚJO, Mário C. U., VERAS, Germano, ZAGATTO, Elias A. G., LAPA, Rui A. S., José L. F. C. LIMA

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Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system von ALMEIDA, C. M. N. V, ARAUJO, M. C. U, LAPA, R. A. S, LIMA, J. L. F. C, REIS, B. F, ZAGATTO, E. A. G

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Determination of calcium, magnesium, sodium and potassium in wines by FIA using an automatic zone sampling system von Lapa, Rui A.S., Lima, JoséL.F.C., Santos, João L.M.

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Oxidability Determination in Waste Waters Using an Automatic Titrator Based on a Multicommutated Unsegmented Flow System von Almeida, Cristina M.N.V., Lapa, Rui A.S., Lima, José L.F.C.

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Determination of Phenolic Compounds in Waste Waters by Sequential Injection Analysis and Spectrophometry von Lapa, Rui A. S., Lima, José L. F. C., Pinto, Ivone V. O. S.

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Role of TNF-Alpha, IFN-Gamma, and IL-10 in the Development of Pulmonary Tuberculosis von Cavalcanti, Yone Vila Nova, Brelaz, Maria Carolina Accioly, Neves, Juliana Kelle de Andrade Lemoine, Ferraz, José Candido, Pereira, Valéria Rêgo Alves

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An improved leaping detector for flow analysis applied to iron speciation in drugs von SANTOS, S. R. B, ARAUJO, M. C. U, HONORATO, R. S, ZAGATTO, E. A. G, LIMA, J. F. C, LAPA, R. A. S

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Sequential Determination of Calcium and Magnesium Cations in Haemodialysis Solutions by FIA von LAPA, Rui A. S., José L. F. C. LIMA, VELA, M. H., ARRADO, E.

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