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KMID : 1059519950390120910
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Journal of the Korean Chemical Society
1995 Volume.39 No. 12 p.910 ~ p.917
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Rapid Simultaneous Determination of Anions in Mineral Water by Single Column Ion Chromatography
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Kim Jong-Hun
Choi Yong-Wook
Chung Tack-Kyun
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Abstract
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Analytical conditions for single column ion chromatographic determination of five anions such as F-, Cl-, NO2-, NO3-, and SO42- were optimized with respect to analysis time and separation efficiency. At the optimum condition of 2.0 mM phthalic acid at pH 4.5, five anions were effectively separated in 10 minutes so that analysis time could be reduced by 40% compared to other recommended conditions. Under this condition all the calibration curves of five anions were linear with a correlation coefficient > 0.999. Analytical results for nine commercial bottled waters were presented.
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