• Bulletin of the Korean Chemical Society
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• 제22권6호
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• pp.570-574
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• 2001

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.

• 한국산학기술학회논문지
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• 제12권10호
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• pp.4696-4703
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• 2011

본 연구에서는 메리필드펩타이드 수지가 치환된 테트라아자거대고리 화합물인 1,4,8,11-tetraazacyclotetradecane bonded Merrifield peptide resin(TDM)과 1,4,8,12-tetraazacyclopentadecane bonded Merrifield peptide resin(TPM)을 합성 하였다. 합성된 이온교환수지의 이온교환용량을 측정하였고, 또한 여러 농도의 염화암모늄용액에서 마그네슘이온의 분포계수를 측정하였다. 새롭게 합성한 테트라아자거대고리 화합물(TDM, TPM)을 가지고 컬럼크로마토그래피법을 이용하여 마그네슘 동위원소를 분리하고 그 효용성을 논의하였다.