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Rapid microanalytical chlorine determination in polymers by ion selective electrode

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Abstract

A rapid microanalytical method has been developed for the determination of very small amounts of chlorine in polymers. The gist of the method comprises quantitative dechlorination by sodium biphenyl or dehydrochlorination bytert-BuOK, aqueous extraction of the Cl⊖ formed, followed by [Cl⊖] quantitation by chloride ion selective electrode (CSE). The method has been tested and is now used routinely for chlorine end group quantitation of telechelic polyisobutylene (PIB), poly(2,4,6-trimethylstyrene) (PTMSt), and poly(p-chlorostyrene) (PpClSt).

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Author notes

  1. Miklós Zsuga (Visiting scientist)

    Present address: Applied Chemistry Department, Kossuth Lajos University, H-4010, Debrecen, Hungary

  2. Béla Iván (Visiting scientist)

    Present address: Central Research Institute for Chemistry of Hungarian Academy of Science, P.O. Box 17, H-1525, Budapest, Hungary

Authors and Affiliations

  1. Institute of Polymer Science, University of Akron, 44325, Akron, OH, USA

    Miklós Zsuga (Visiting scientist), Béla Iván (Visiting scientist) & Joseph P. Kennedy

Authors
  1. Miklós Zsuga
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  2. Béla Iván
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  3. Joseph P. Kennedy
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Zsuga, M., Iván, B. & Kennedy, J.P. Rapid microanalytical chlorine determination in polymers by ion selective electrode. Polymer Bulletin 21, 281–286 (1989). https://doi.org/10.1007/BF00955919

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  • DOI: https://doi.org/10.1007/BF00955919

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