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Separation of lithium isotopes by N4O2 azacrown ion exchanger

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Abstract

A study on the separation of lithium isotope was carried out with a 1,16-dioxa-4,7,10,13- tetraazacyclooctadecane-4,7,10,13-tetramerrifield peptide resin [N4O2·4M]. The resin having N4O2 as an anchor group has a capacity of 3.8 meq/g. Upon column chromatography [0.15 cm (I.D)×29 cm (height)] using 0.01 M NH4Cl as an eluent, the single separation factor, α=1.038 was obtained by the Glueckauf theory from the elution curve and isotope ratios.

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Authors and Affiliations

  1. Department of Chemistry, Physical Chemistry Laboratory, College of Natural Sciences, Chungbuk National University, 361-763, Cheongju, Republic of Korea

    D. W. Kim, Y. H. Jang, N. S. Lee, Y. S. Chung, K. Y. Kim & S. U. Park

  2. Department of Chemistry Education, College of Education, Chungbuk National University, 361-763, Cheongju, Republic of Korea

    C. S. Kim

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  1. D. W. Kim
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  2. Y. H. Jang
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  3. N. S. Lee
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  4. Y. S. Chung
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  5. K. Y. Kim
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  6. S. U. Park
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  7. C. S. Kim
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Kim, D.W., Jang, Y.H., Lee, N.S. et al. Separation of lithium isotopes by N4O2 azacrown ion exchanger. J Radioanal Nucl Chem 240, 155–158 (1999). https://doi.org/10.1007/BF02349148

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  • DOI: https://doi.org/10.1007/BF02349148

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