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Immobilized complexon amides-cation exchangers of high chelating activity

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Summary

Several complexon cation exchangers with EDTA or DTPA complexon groupings attached through the amide bond to the polymer matrix of bead cellulose or of the methacrylate type were prepared. The cation exchangers are comparatively stable to alkaline hydrolysis. Chelating ability of the sorbents was examined by measuring the distribution coefficients in Cu(II) and Ni(II) sorption from EDTA solutions. In spite of the low total capacity cation exchangers with immobilized DTPA have distribution coefficients higher by an order of magnitude than a commercial iminodiacetic resin.

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Authors and Affiliations

  1. Institute of Chemical Technology, CS-166 28, Prague 6, Czechoslovakia

    Z. Matějka

  2. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia

    J. Kahovec & F. Švec

Authors
  1. Z. Matějka
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  2. J. Kahovec
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  3. F. Švec
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Matějka, Z., Kahovec, J. & Švec, F. Immobilized complexon amides-cation exchangers of high chelating activity. Polymer Bulletin 9, 139–143 (1983). https://doi.org/10.1007/BF00275581

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  • DOI: https://doi.org/10.1007/BF00275581

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