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Russian Chemical Bulletin

, Volume 67, Issue 10, pp 1927–1930 | Cite as

Anion exchange kinetics with participation of cinchomeronic and dipicolinic acids

  • H. N. Altshuler
  • G. Yu. Shkurenko
  • O. H. Altshuler
Brief Communications
  • 9 Downloads

Abstract

The rate of sorption and desorption of cinchomeronic and dipicolinic acids on the AB-17-8 strongly basic anion exchanger is limited by slow diffusion of components in the polymer phase. The diffusion coefficient of the organic anion in the phase of the AB-17-8 anion exchanger is equal to (3.7±0.5)•10–12 m2 s–1. Taking into account high rates of desorption of anions of cinchomeronic and dipicolinic acids from anionite (the half-transformation time is 6 min), the AB-17-8 strongly basic anion exchanger can be recommended for use as a container for development of prolonged drugs based on pyridinedicarboxylic acids.

Key words

strongly basic anion exchanger pyridinedicarboxylic acids kinetics of sorption processes diffusion 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • H. N. Altshuler
    • 1
  • G. Yu. Shkurenko
    • 1
  • O. H. Altshuler
    • 1
    • 2
  1. 1.Federal Research Center of Coal and Coal ChemistrySiberian Branch of the Russian Academy of SciencesKemerovoRussian Federation
  2. 2.Kemerovo State UniversityKemerovoRussian Federation

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