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환경수의 수질자동모니터링 연구(1) : 이온 크로마토그래피에 의한 환경수중의 주요 이온분석
이요상,심순보 충북대학교 건설기술연구소 1994 建設技術論文集 Vol.13 No.2
The purpose of this research is to measure the concentration of ions in environmental water polluted by wastewater using a monitoring system. Using the ionchromatographic system is a simple, selective and sensitive method to determine simultaneously anion and rations in water. Through a number of tests for the various conditions using ionchromatographic system, the optimal condition was found as follows ; the concentration of anion eluent is 5mM Tartaric acid- 7.5% methanol-water, that of ration eluent is 1.5mM pyromellitic acid-22.5% methanol-water(pH 6.25), the flow rate is 1.2㎖/min and the detention time is 30min. The result of analysis for the water samples from Cheongju area showed the good simultaneous separation and good detection. Good ionbalance was also achived ranged from 0.95 to 1.08. From the above tests, it is recognized that the utillization of the ionchromatographic system is an effective way of measurement and can be extended to other environmental water samples.