Reversed-Phase Ion-Pair High Performance Liquid Chromatographic Elution Behavior of Noble Metal-Thiacrown Ether Complexes

귀금속-티아크라운에테르 착물들의 역상 이온쌍 고성능 액체크로마토그래피 용리거동

  • Chung, Yong Soon (Department of Chemistry, Chungbuk National University) ;
  • Kim, Dong Won (Department of Chemistry, Chungbuk National University) ;
  • Lee, Kang Woo (Department of Chemistry, Chungbuk National University) ;
  • Kim, Chang Seok (Department of Science Education, Chungbuk National University)
  • 정용순 (충북대학교 자연과학대학 화학과) ;
  • 김동원 (충북대학교 자연과학대학 화학과) ;
  • 이강우 (충북대학교 자연과학대학 화학과) ;
  • 김창석 (충북대학교 사범대학 과학교육과)
  • Published : 19980800

Abstract

In the reversed-phase ion-pair high performance liquid chromatographic (RPIP-HPLC) elution behavior of noble metal-thiacrown ether complexes, the effects of the concentration of ion-pairing reagent and kind of ligands were studied. It was found that the less the number of atoms in the ring of the thiacrown ether molecule was, the larger the selectivity was, and the elution mechanism of the complexes was explained due to the formation of ion-pair when the concentration of sodium dodecyl sulfate (SDS) in mobile phase was lower than 10 mM and due to the formation of micelle when the SDS concentration was higher than 10 mM. As a conclusion, separations of the noble metal-thiacrown ether complexes in an optimum separation condition were accomplished successfully and the method was proved to be an useful one for the separation and determination of Ag (Ⅰ) ion in a black-white photographic fixing solution.

Keywords

References

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