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The simultaneous microdetermination of chlorine, bromine, and iodine in organic compounds by the oxygen flask method

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Summary

A method is described which allows the simultaneous microdetermination of chlorine, bromine and iodine following organic decomposition by the oxygen flask procedure ofSchöniger. Sodium borohydride is employed as a reducing agent in the absorbing solution. The sum of halogens is titrimetrically determined in an aliquot of the absorbing solution by means of 0.01N mercuric perchlorate solution. The bromine and iodine are determined in different aliquots after oxidation to halate. Furthermore individual halogens can be determined by this method. The proposed method is simple, rapid, and highly reproducible.

Zusammenfassung

Ein Verfahren zur gleichzeitigen Bestimmung von Chlor, Brom und Jod nach Zerstörung der organischen Substanz im Verbrennungskolben wurde beschrieben. Natriumborhydrid dient als Reduktionsmittel in der Absorptionslösung. Die Summe der Halogene wird mit 0,01-n Quecksilberperchlorat in einem Teil dieser Lösung titriert. Brom und Jod werden in weiteren Teilen nach ihrer Oxydation zu Halogenat bestimmt. Außerdem kann jedes Halogen für sich nach diesem gut reproduzierbaren Verfahren bestimmt werden.

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Authors and Affiliations

  1. Institute of Organic Chemistry, University of Padova, Italy

    E. Celon

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  1. E. Celon
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Celon, E. The simultaneous microdetermination of chlorine, bromine, and iodine in organic compounds by the oxygen flask method. Mikrochim Acta 57, 592–598 (1969). https://doi.org/10.1007/BF01216462

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  • DOI: https://doi.org/10.1007/BF01216462

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