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- W2055361458 abstract "An iodometric method for the rapid microdetermination of organic peroxides, utilizing electrochemical reduction in the iodine-iodide system, has been developed. After complete reaction between peroxide and iodide in an acidic semi-aqueous medium the iodine produced is reduced at a rotating platinum electrode, at constant potential. Electronic integration is used. Organic peroxides of different reactivities have been analysed by making use of the increased rate of reaction at elevated temperatures. Accurate and precise results were obtained for samples at the 1-mg level and the total time of analysis varied from 8 to 20 min, depending on reactivity. Eine jodometrische Methode zur raschen Mikrobestimmung von organiscchen Peroxiden mit Hilfe elektrochemischer Reduktion im Jod-Jodid-System wurde entwickelt. Nach Beendigung der Reaktion zwischen Peroxid und Jodid in saurem halbwäßrigem System wird das gebildete Jod bei knostantem Potential an einer rotierenden Platinelektrode reduziert. Die Integration wird elektronisch ausgeführt. Organische Peroxide verschiedener Reactivität wurden analysiert, indem die höhere Reaktionsgeschwindigkeit bei höherer Temperatur ausgenutzt wurde. Genaue und richtige Ergebnisse wurden bei Proben von etwa 1 mg erhalten; die gesamte Analysenzeit lag je nech der Reaktivität zwischen 8 und 20 min. On a mis au point une méthode iodométrique pour le microdosage rapide de peroxydes organiques, utilisant le réduction électrochimique dans le système iode-iodure. Après réaction complète entre le peroxyde et l'iodure dans un milieu semi-aqueux acide, l'iode produit est réduit á l'électrode toumente de platine, á potential constant. On utilise l'intêgration électronique. On a analysé des peroxydes organiques de différentes réactivités en utilisant la vitesse accrue de réaction aux températures élevées. On a obtenu des résultats précis et justes pour des échantillons à l'échelle de 1 mg et le temps total d'analyse a varié de 8 à 20 mn, dépendant de la réactivité." @default.
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- W2055361458 date "1973-12-01" @default.
- W2055361458 modified "2023-10-17" @default.
- W2055361458 title "Coulometric microdetermination of peroxides—II☆Organic peroxides" @default.
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- W2055361458 doi "https://doi.org/10.1016/0039-9140(73)80098-0" @default.
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