Bulletin of the Korean Chemical Society

  • 제22권6호
  • /
  • Pages.570-574
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  • 2001
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Enrichment of Magnesium Isotopes by Monoazacrown Bonded Merrifield Peptide Resin.

  • 발행 : 20010600
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초록

Magnesium isotope separation was investigated by chemical ion exchange with the 1-aza-12-crown-4 bonded Merrifield peptide resin using an elution chromatographic technique. The capacity of the novel azacrown ion exchanger was 1.0 meq/g dry resin. The heavier isotopes of magnesium were enriched in the resin phase, while the lighter isotopes were enriched in the solution phase. The single stage separation factor was determined according to the method of Glueckauf from the elution curve and isotopic assys. The separation factors of $^{24}Mg^{2+}$-$^{25}Mg^{2+}$, $^{24}Mg^{2+}$-$^{26}Mg^{2+}$, and $^{25}Mg^{2+}$-$^{26}Mg^{2+}$ were 1.008, 1.019, and 1.006, respectively.

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  1. 테트라아자 거대고리화합물(TDM, TPM)을 이용한 마그네슘동위원소의 분리에 관한 연구 vol.12, pp.10, 2011, https://doi.org/10.5762/kais.2011.12.10.4696
  2. Lithium and magnesium isotopes fractionation by zone melting vol.135, pp.None, 2001, https://doi.org/10.1088/1757-899x/135/1/012001