oxidmetric 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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Iodometric microdetermination of hydrazines by amplification reactions von Gawargious, Y.A., Besada, Amir

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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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Micro and submicro lodometric determination of triphenylphosphine, triphenylarsine, and triphenylstibine by amplification reactions von Gawargious, Y.A., Besada, Amir, 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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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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Iodometric submicro determination of α-amino-alcohols by an amplification reaction von Besada, Amir, Gawargious, Y.A.

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New iodometric methods for the microdetermination of arsenic in organic compounds von Gawargious, Y.A., Boulos, L.S., Faltaoos, B.N.

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Submicro methods for analysis of organic compounds von Belcher, R., Gawargious, Y.A., Macdonald, A.M.G.

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Microdetermination of α-amino acids by colorimetry and atomic absorption spectrophotometry von Gawargious, Y.A., Besada, Amir, Hassouna, M.E.M.

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Micro and submicro iodometric determination of arsenite and sulphite ions by amplification reactions von Besada, Amir, Gawargious, Y.A., Kareem, S.Y.

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Iodometric microdetermination of sulphur in organic compounds by an amplification reaction von Gawargious, Y.A., Farag, A.B.

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Iodometric microdetermination of phosphorus in organic compounds von Gawargious, Y.A., Farag, A.B.

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Iodometric microdetermination of phosphorus in organophosphorus compounds containing nitrogen, sulfur and halogens von Gawargious, Y.A., Farag, A.B.

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Indirect polarographic microdetermination of alkoxyl groups von Gawargious, Y.A., Boulos, L.S., Faltaoos, B.N.

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The simultaneous microdetermination of carbon, hydrogen and halogen in highly chlorinated or brominated organic compounds von Gawargious, Y.A., Farag, A.B.

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Microdetermination of carbon and hydrogen in triterpenoids von Gawargious, Y.A., Farag, A.B.

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New spot-test for cyanide ion and cyanogen gas von Tobia, S.K., Gawargious, Y.A., El-Shahat, M.F.

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Submicro methods for analysis of organic compounds : The determination of thiol groups von Belcher, R., Gawargious, Y.A., Macdonald, A.M.G.

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nvestigations on tests for phosphate and silicate by the ring-oven method von Gawargious, Y.A., Ottendorfer, L.J., Bishara, S.W.

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