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.

Keywords

anion;naphthalene trisulfonic acid;naphthalene disulfonic acid;separation

Acknowledgement

Supported by : 경북대

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