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The use of the rotating Pt-electrode for microdetermination of hydrazine with potassium permanganate in fluoride medium

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Summary

An amperometric method is described for the microdetermination of hydrazine using the rotating Pt-electrode vs S. C. E. and zero applied e. m. f. It is based on oxidation of N2H4 with KMnO4 under the following conditions: Acidity 0.01–0.6N H2SO4; NaF: 0.8–1.5%; CuSO4: 0.013–0.15N; amounts of N2H4: 3.7μg-5.97 mg. The method is accurate and can be used at concentrations lower than that with the potentiometric procedure.

Zusammenfassung

Eine amperometrische Methode zur Mikrobestimmung von Hydrazin mit Hilfe einer rotierenden Pt-Elektrode gegen eine gesättigte Kalomelelektrode wurde beschrieben. Sie beruht auf der Oxydation des Hydrazins mit Permanganat unter nachstehenden Bedingungen: 10 ml 0,01-bis 0,6-n schwefelsaures Milieu, 0,8–1,5% ig an NaF und 0,013-bis 0,15-n an CuSO4. Hydrazinmenge: 3,7μg−5,97 mg. Die Methode ist genau und eignet sich für geringere Konzentrationen als das potentiometrische Verfahren.

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Authors and Affiliations

  1. Department of Chemistry, Assiut University, Assiut, Egypt, A. R. E.

    A. M. Hammam & I. M. Issa

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  1. A. M. Hammam
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  2. I. M. Issa
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Hammam, A.M., Issa, I.M. The use of the rotating Pt-electrode for microdetermination of hydrazine with potassium permanganate in fluoride medium. Mikrochim Acta 65, 573–579 (1976). https://doi.org/10.1007/BF01218233

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  • DOI: https://doi.org/10.1007/BF01218233

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