Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Enrichment of Lithium Isotopes by Cation Exchange Chromatography

양이온 교환 크로마토그래피에 의한 리튬 동위원소의 농축

  • Kim, Dong Won (Department of Chemistry, College of Natural Sciences, Chungbuk National University) ;
  • Kim, Chang Suck (Department of Chemical Education, College of Education, Chungbuk National University) ;
  • Choi, Ki Young (Department of Chemistry, College of Natural Sciences, Mokwon University) ;
  • Jeon, Young Shin (Division of Chemistry and Chemical Analysis, Korea Atomic Energy Research Institute) ;
  • Jeong, Young Kyu (Department of Chemistry, College of Natural Sciences, Chungbuk National University) ;
  • Park, Sung Up (Department of Chemistry, College of Natural Sciences, Chungbuk National University)
  • 김동원 (충북대학교 자연과학대학 화학과) ;
  • 김창석 (충북대학교 사범대학 화학교육과) ;
  • 최기영 (목원대학교 이공대학 화학과) ;
  • 전영신 (한국원자력연구소 분석실) ;
  • 정영규 (충북대학교 자연과학대학 화학과) ;
  • 박성업 (충북대학교 자연과학대학 화학과)
  • Received : 1994.05.02
  • Published : 1994.06.25
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Abstract

Cation exchange column chromatography of lithium was carried out to investigate the lithium isotope separation in aqueous ion exchange system. A Pyrex glass column of $50cm{\times}6mm$ inner radius with a water jacket was used as the separation column in experiment. Upon column chromatography using hydrochloric and succinic acid mixtures as an elunent, single separation factor, ${\alpha}$, 1.0068 was obtained. From the experiment, it was found that $^6Li$ was enriched in the resin phase and $^7Li$ in the solution phase.

리튬 동위원소의 분리를 위하여, 양이온 교환 컬럼 크로마토그래피를 수용액 이온 교환시스템 중에서 수행하였다. 실험에는 길이 50cm, 안 반지름 6mm의 파이렉스 유리 컬럼을 사용하였다. 컬럼 크로마토그래피에서 용리액으로는 염산 숙신산 혼합용액을 사용하여 1.0068의 분리인자 값을 얻었다. 이 실험으로부터 가벼운 $^6Li$는 수지상에 농축되고, $^7Li$는 용액상에 농축됨을 확인하였다.

Keywords

Acknowledgement

Supported by : 교육부