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The water quality as anions of the Han River by noble ion exchange chromatography

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Nguyen Viet Tung
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2001,4,4
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3344
Surface water of the Han River is used to be a supplying drinking water for tap water in Seoul. The investigation on quality of the Han River water plays a very important role in the conservation of that valuable natural resource. Ion exchange chromatography with a Dionex DX-80, Ionpac AS14A, AMMS?system is used for the analysis of nitrogenous and phosphorus compounds causing water contamination such as nutrient sources for green algae during summer destroying ecosystem. The method is based on an anion exchange chromatographic separation followed by a sequential analysis through conductivity detector. Samples were collected over several months in different locations around the Han River. In all the samples, the separations among peaks have been shown satisfactory resolution including peak symmetry. The results indicated the average level of chloride and sulfate. Unexpectedly, nitrate has detected to be a frequently considering contaminant around 10 mg/l. However, other species have been monitored as average level of main or side stream.