Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Simultaneous Determination of Anions and Cations in Natural Water by Ion-exclusion/Cation-exchange Chromatography with a Weakly Acidic Cation-exchange Resin Column

  • Lee, Kwang-Pill (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Choi, Seong-Ho (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Park, Yu-Chul (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Bae, Zun-Ung (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Lee, Mu-Sang (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Lee, Sang-Hak (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Chang, Hye-Yong (Department of Chemistry, Graduate School, Kyungpook National University) ;
  • Kwon, Se-Mok (Ulsan City Health & Environmental Research Institute) ;
  • Kazuhiko Tanaka (National Industrial Research Institute of Nagoya)
  • Published : 2003.09.20
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Abstract

The simultaneous determination of anions ($SO_4 ^{2-},\;Cl^-,\;and\;NO_3^-$) and cations ($Na^+,\;NH^{4+},\;K^+,\;Mg^{2+},\;and\;Ca^{2+}$) in natural water obtained by Nakdong River waters system in Korea were performed by ion-exclusion/cationexchange chromatography with conductimetric detection. The stationary phase was a polymethacrylate-based weakly acidic cation-exchange resin column in the $H^+$-form and a weak-acid eluent. When using only a 1.4 mM sulfosalicylic acid/6 mM 18-crown-6 ether as an eluent, good resolution of both anions and cations, minimum time required for the separation, and satisfactory detection sensitivity were obtained in a reasonable time. The method was successfully applied to the simultaneous determination of anions and cations in natural waters.

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References

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