Ion Chromatography of Anions with Indirect UV-Photometric Detection by using Naphthalene Trisulfonic Acid and Naphthalene Disulfonic Acid as an Eluent

Naphthalene Trisulfonic Acid 및 Naphthalene Disulfonic Acid을 이용한 음이온 간접자외선흡광검출 이온크로마토그래피

  • Lee, Kwang-Pill (Department of Chemistry Education, Kyungpook National University) ;
  • Cheon, Hwi-Kyung (Department of Chemistry Education, Kyungpook National University) ;
  • Seo, Hyun-Kyung (Department of Chemistry Education, Kyungpook National University) ;
  • Kwon, Se-Mog (Taegu City Health & Environment Research Institute) ;
  • Park, Keung-Shik (Department of Chemistry Education, Kyungpook National University) ;
  • Tanaka, Kazuhiko (National Industrial Research Institute of Nagoya) ;
  • Ohta, Kazutoku (National Industrial Research Institute of Nagoya)
  • 이광필 (경북대학교 화학교육과) ;
  • 전휘경 (경북대학교 화학교육과) ;
  • 서현경 (경북대학교 화학교육과) ;
  • 권세목 (대구광역시 보건환경연구원) ;
  • 박긍식 (경북대학교 화학교육과) ;
  • ;
  • Received : 1998.12.07
  • Published : 1999.04.25

Abstract

Single column anion chromatography by indirect UV detection was applied to the determination of 7 common anions($H_2PO_4^-$, $Cl^-$, $NO_2^-$, $NO_3^-$, $I^-$, $SO_4^{2-}$, $SCN^-$). A low capacity silica-based anion-exchange column(TSK guardgel QAE-SW; ca. 0.3 meq./g; 4.6 mm i.d${\times}$150 mm) was used. In separating common anions, we compared naphthalene trisulfonic acid(NTS) and naphthalene disulfonic acid(NDS) to find more sensitive, selective and rapid separation method. And cations and anions can be separated simultaneously in 0.20 mM NTS-5% acetonitrile-water.

간접자외선흡광검출 이온크로마토그래피를 7가지 음이온($H_2PO_4^-$, $Cl^-$, $NO_2^-$, $NO_3^-$, $I^-$, $SO_4^{2-}$, $SCN^-$)분리에 적용하였다. 컬럼은 저용량의 강염기성 음이온 교환체를 가진 상용화된 TSK-guardgel QAE-SW (ca. 0.3 meq./g; 4.6 mm i.d${\times}$150 mm)를 사용하였다. 선택적이고 신속한 이온분리방법을 연구하기 위하여 naphthalene trisulfonic acid(NTS) 및 naphthalene disulfonic acid(NDS) 용리액에 대한 분리거동을 조사하였다. 더 나아가, 0.20 mM NTS 용리액에 5% 아세토리트릴을 첨가하여 음용수에 적용한 결과, 양이온과 음이온을 동시에 분리 할 수 있었다.

Keywords

Acknowledgement

Supported by : 경북대

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