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Solvent effects on the polarographic behaviour of halobenzenes in aprotic media

Lösungsmitteleffekte des polarographischen Verhaltens von Halogenbenzolen in aprotischen Medien

  • Anorganische Und Physikalische Chemie
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Abstract

The polarographic behaviour of fluoro, chloro, bromo and iodobenzene in dimethylformamide, dimethylsulfoxide and acetonitrile at 25 °C is reported. The viscosities and densities of these species in the three solvents have been measured and the corresponding viscosityB-coefficients and molar partial volumes at infinite dilution for halobenzenes are reported. The results, which show a clear dependence upon solvent nature, are analysed in terms of solute-solvent interactions and solvent structure.

Zusammenfassung

Es wird über das polarographische Verhalten von Fluor-, Chlor-, Brom- und Iodbenzol in Dimethylformamid, Dimethylsulfoxid und Acetonitril bei 25 °C berichtet. Viskositäten und Dichten wurden in diesen drei Lösungsmitteln gemessen und die entsprechenden Viskositäts-B-Koeffizienten und die molaren partiellen Volumina für unendliche Verdünnung der Halogenbenzole bestimmt. Die Ergebnisse, die eine starke Abhängigkeit vom Lösungsmittel zeigen, werden mittels der Wechselwirkung Lösungsmittel —gelöster Stoff und Lösungsmittelstruktur interpretiert.

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Casado, J., Domenech, J. & Gallardo, I. Solvent effects on the polarographic behaviour of halobenzenes in aprotic media. Monatsh Chem 115, 1143–1149 (1984). https://doi.org/10.1007/BF00809345

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  • DOI: https://doi.org/10.1007/BF00809345

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