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Environmental Engineering Research 1999;4(3): 223-230.
SIMULTANEOUS DETERMINATION OF ANIONS AND CATIONS IN RAIN WATERS BY ION-EXCLUSION CHROMATOGRAPHY-CATION-EXCHANGE CHROMATOGRAPHY USING A TARTARIC ACID/CROWN ETHER ELUENT
Se-Mog Kwon1, Kwang-Pill Lee2, Kazuhiko Tanaka3, and Kazutoku Ohta3
1Taegu city Health & Environmental Reaearch Institute, Taegu
2Kyungpook National university, Taegu
3National Industrial Research Institute of Nagoya, Japan
Corresponding Author: Se-Mog Kwon ,
Received: May 6, 1999;  Accepted: August 7, 1999.
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ABSTRACT
In order to determine simultaneous!;. anionslC'l. NO-,", SOf ) and calions(Na . Nil; . K . Mg , Ca ) in rain waters, ion chromatographic!I(') method wilh conductimetrie detection using a poI>acrvlate-based weakly acidic cation-exchange resin columnffosoh ISKgel OA-I'AK-A) and a weak-acid eluenl are employed Based on ion-eclusion and eation-echange meehanisin. both anions and cations were separated simultaneous!). In particular, it was optimized the concentration of the crown elher to achieve the best separation of cations. When using a smM tartaric aeid'Om.VI crown ciher-7.5"u niethanol-wntcr as an eluenl. a good separation and detection of anions and cations is obtained within about 50 min. flic proposed method was successful l applied to the simultaneous determination of the common anions and cations in rain waters.
Keywords: inn-evclusion. cation-exchange | tartaric acid crown elher
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