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Polarographische Bestimmung von Cumolhydroperoxid und Dicumylperoxid nebeneinander in technologischen Mischungen

Polarographic determination of cumene hydroperoxide and dicumyl peroxide in presence of each other in technological mixtures

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Abstract

The determination was carried out in a supporting electrolyte consisting of LiCl and KCl in ethanol for the first and of tetramethylammonium chloride in dimethylformamide for the latter compound. Triphenylphosphine was employed for the reduction of cumene hydroperoxide, which interfered with the dicumyl peroxide determination. Relative errors were +- 5%.

Zusammenfassung

Für die polarographische Bestimmung von Cumolhydroperoxid wurde LiCl + KCl in Äthanol als Grundelektrolyt verwendet, für Dicumylperoxid Tetramethylammoniumchlorid in Dimethylformamid. Bei der Peroxidbestimmung störendes Hydroperoxid wurde mit Triphenylphosphin reduziert. Die relativen Fehler betrugen +- 5%.

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Authors and Affiliations

  1. Institut für Analytische und Allgemeine Chemie der Schlesischen Technischen Hochschule, ul. Katowicka 2, Gliwice, Polen

    Zbigniew Gregorowicz, Jan Cebula & Piotr Górka

Authors
  1. Zbigniew Gregorowicz
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  2. Jan Cebula
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  3. Piotr Górka
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Additional information

Der Gehalt der Substanzen wurde auf Grund von Eichkurven errechnet. Der relative maximale Fehler bei der Bestimmung des Hydroperoxids und des Dicumylperoxids betrug +- 5%.

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Gregorowicz, Z., Cebula, J. & Górka, P. Polarographische Bestimmung von Cumolhydroperoxid und Dicumylperoxid nebeneinander in technologischen Mischungen. Z. Anal. Chem. 284, 287–288 (1977). https://doi.org/10.1007/BF00432790

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  • DOI: https://doi.org/10.1007/BF00432790

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