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Spectrophotometric determination of hydrazines withperi-naphthindan-2,3,4-trione hydrate

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Summary

A new micromethod for spectrophotometric determination of hydrazine compounds is described. It is based on a reaction withperi-naphthindan-2,3,4-trione hydrate at pH 2.5 to give a red precipitate of dihydroxy-peri-naphthindenone which is dissolved in methanol and measured at 460 nm. The results obtained show an average recovery of 99.8 %, the precision being ± 1 %.

Zusammenfassung

Eine neue Mikromethode zur spektrophotometrischen Bestimmung von Hydrazinverbindungen wurde beschrieben. Sie beruht auf der Reaktion mit peri-Naphthindan-2,3,4-trion-hydrat bei pH 2,5, wobei ein roter Niederschlag von Dihydroxy-peri-naphthindenon entsteht, der in Methanol gelöst und bei 460 nm gemessen wird. 99,8% Substanz werden wiedergefunden, die Genauigkeit beträgt ±1%.

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Authors and Affiliations

  1. Microanalytical Research Laboratory, Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt

    Saad S. M. Hassan

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  1. Saad S. M. Hassan
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Hassan, S.S.M. Spectrophotometric determination of hydrazines withperi-naphthindan-2,3,4-trione hydrate. Mikrochim Acta 62, 51–57 (1974). https://doi.org/10.1007/BF01271416

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  • DOI: https://doi.org/10.1007/BF01271416

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