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The extraction of sodium and potassium picrates with poly[(benzo-16-crown-5)maleimide], poly[(benzo-15-crown-5) maleimide-alt-α-methylstyrene] and benzo-15-crown-5

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Abstract

The distribution of complexes of sodium picrate and potassium picrate with poly[(benzo-15-crown-5)maleimide], poly[(benzo-15-crown-5)maleimide-alt-α-methylstyrene] and benzo-15-crown-5 (b15/5) between water and CH2Cl2 was investigated. Concentration of Na-ion with homopolymer in CH2Cl2 was 52%, while the concentration of complex of alternating copolymer and b15/5 with Na-ion was 22% and 20% respectively. Concentration of K-ion complex in CH2Cl2 with homopolymer and alternating copolymer was 90% and with b15/5 the concentration of complex was 40%. The large difference in the complexation ability of Na-ion and K-ion with homopolymer and alternating copolymer is considered to be the consequence of the formation of 1:1 complex with Na-ion and 2:1 complex with K-ion.

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Authors and Affiliations

  1. Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb, Croatia

    D. Hace

  2. NA-industrija Nafte, Research and Development, Zagreb, Oroatia

    D. D. Fles, G. Golja, R. Vuković & D. Fles

Authors
  1. D. D. Fles
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  2. G. Golja
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  3. D. Hace
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  4. R. Vuković
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  5. D. Fles
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Fles, D.D., Golja, G., Hace, D. et al. The extraction of sodium and potassium picrates with poly[(benzo-16-crown-5)maleimide], poly[(benzo-15-crown-5) maleimide-alt-α-methylstyrene] and benzo-15-crown-5. Polymer Bulletin 33, 425–430 (1994). https://doi.org/10.1007/BF00293486

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  • DOI: https://doi.org/10.1007/BF00293486

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