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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 9
BKCSDE 24(9)
September 20, 2003 

 
Title
Simultaneous Determination of Anions and Cations in Natural Water by Ion-exclusion/Cation-exchange Chromatography with a Weakly Acidic Cation-exchange Resin Column
Author
Kwang-Pill Lee, Seong-Ho Choi, Yu-Chul Park, Zun Ung Bae, Mu-Sang Lee, Sang Hak Lee, Hye-Yong Chang, Se-Mok Kwon, Kazuhiko Tanaka
Keywords
Ion-exclusion/cation-exchange chromatography, Weakly acidic cation-exchange resin, Simultaneous determination of anions and cations
Abstract
The simultaneous determination of anions (SO4 2., Cl., and NO3 .) and cations (Na+, NH4+, K+, Mg2+, and Ca2+) 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.
Page
1324 - 0
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