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New model of the hanging mercury drop electrode and its application in aqueous and non-aqueous media

Neue Konstruktion der Quecksilbertropfelektrode und Anwendung in wäßrigen sowie nichtwäßrigen Medien

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Zusammenfassung

Eine neu konstruierte Quecksilbertropfelektrode wird vorgestellt, die sich durch besonders gute Reproduzierbarkeit und Stabilität der Tropfenoberfläche auszeichnet. Ein Doppelkonusverschluß gewährleistet die Dichtigkeit des Hg-Reservoirs. Die Abweichungen der Oberflächengröße überschreiten nicht 1%. Die Elektrode wurde erfolgreich in Wasser sowie acht gebräuchlichen reinen organischen Lösungsmitteln getestet, auch im negativen Potentialbereich.

Summary

A new design of the hanging mercury drop electrode is described, offering a particularly good reproducibility and stability of the drop surface. The tightness of the mercury reservoir is obtained by a double-cone seal system. The deviation of the electrode surface does not exceed 1%.

The electrode was successfully tested in water and also in eight commonly used organic solvents and shows stability even in negative potential range.

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Authors and Affiliations

  1. Department of Physicochemical Analytical Methods, Institute of Physical Chemistry of the Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland

    Wiktor Kemula & Janina Zawadowska

Authors
  1. Wiktor Kemula
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  2. Janina Zawadowska
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Kemula, W., Zawadowska, J. New model of the hanging mercury drop electrode and its application in aqueous and non-aqueous media. Z. Anal. Chem. 300, 39–43 (1980). https://doi.org/10.1007/BF00498713

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  • DOI: https://doi.org/10.1007/BF00498713

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