Performance of a portable biosensor for the analysis of ethion residues von Khaled, Elmorsy, Kamel, Manal S., Hassan, H.N.A., Abdel-Gawad, Hassan, Aboul-Enein, Hassan Y.

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Carbon paste and PVC electrodes for the flow injection potentiometric determination of dextromethorphan von Khaled, Elmorsy, Hassan, H.N.A., Mohamed, Gehad G., Seleim, A.A.

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Disposable potentiometric sensors for monitoring cholinesterase activity von Khaled, Elmorsy, Hassan, H.N.A., Mohamed, Gehad G., Ragab, Fahem A., Seleim, Aly Eldin A.

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Simultaneous spectrophotometric determination of rutin, quercetin and ascorbic acid in drugs using a Kalman Filter approach von Hassan, H.N.A, Barsoum, B.N, Habib, I.H.I

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Multivariate analysis of Cd(II), In(III), Tl(I) and Pb(II) in mixtures using square wave anodic stripping voltammetry von Hassan, H.N.A, Hassouna, M.E.M, Habib, I.H.I

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Studies on the potentiometric thallium(III)-selective carbon paste electrode and its possible applications von VYTRAS, K, KHALED, E, JEZKOVA, J, HASSAN, H. N. A, BARSOUM, B. N

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SIMULTANEOUS MICRODETERMINATION OF CARBON, HYDROGEN AND LEAD IN ORGANOLEAD COMPOUNDS von HASSAN, HNA, HASSOUNA, MEM, GAWARGIOUS, YA

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New external reagents for the simultaneous microdetermination of carbon, hydrogen and mercury von GAWARGIOUS, Y. A, HASSAN, H. N. A, KAMEL, M. S

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Determination of antibilharzial antimony compounds by direct current, differential pulse, square-wave and alternating current anodic stripping voltammetry von BRODERSEN, K, HASSAN, H. N. A, HASSOUNA, M. E. M, HABIB, I. H. I

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Oxidimetric titration of triphenyl derivatives of phosphorus, arsenic, antimony and bismuth with N-bromosuccinimide von GAWARGIOUS, Y. A, HASSOUNA, M. E. M, HASSAN, H. N. A

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Spectrophotometric microdetermination of bismuth in organic compounds after oxygen-flask combustion von Hassan, H.N.A., Hassouna, M.E.M., Gawargious, Y.A.

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Determination of traces of bismuth in water with polyurethane foam thin-layer spectrophotometry von GEWARGIOUS, Y. A, ABBAS, M. N, HASSAN, H. N. A

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Microdetermination of carbon and hydrogen in organoantimony compounds von GAWARGIOUS, Y. A, FARAG, A.-F. B, HASSAN, H. N. A, HASSOUNA, M. E. M

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Simultaneous microdetermination of carbon, hydrogen, and bismuth in organobismuth compounds von Hassan, H.N.A., Hassouna, M.E.M., Gawargious, Y.A.

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Iodimetric determination of iodine or bromine in organic compounds using a 126-fold amplification method von FARAG, A.-F. B, HASSAN, H. N. A, KHALIL, A.-G. M, ABDEL-AZIZ, A.-A. F

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Spectrophotometric microgram determination of copper in organic compounds by wet or oxygen flask combustion von GAWARGIOUS, Y. A, HASSOUNA, M. E. M, HASSAN, H. N. A

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Lanthanum nitrate as external absorbent in the microdetermination of carbon and hydrogen in fluoro and perfluoro compounds von GAWARGIOUS, Y. A, HASSAN, H. N. A, HASSOUNA, M. E. M

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The simultaneous microdetermination of carbon, hydrogen, arsenic, or selenium in organic compounds von Attia, M.E., Farag, A.B., Hassan, H.N.A.

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New pyrido[1,2-a]benzimidazoles von HAMMAD, M. A, KAMEL, M. M, ABBASI, M. M, EL-WASSIMI, M. T, HASSAN, H. N. A

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A new method for the microdetermination of carbon and hydrogen in fluoro and perfluoro compounds von Bishara, S. W., Attia, M. E., Hassan, H. N. A.

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