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This paper describes a method developed specifically for the determination of low level perchlorate in drinking water and ground waters using ion chromatography. This method uses a large loop injection with a Dionex IonPac AS 11 column, hydroxide eluent and suppressed conductivity detection to quantify perchlorate at levels as low as 2.5 ug/L in drinking water samples. The method is linear over the range of 2.5- 100 ug/L and quantitative recoveries were obtained for perchlorate in spiked tap water samples. Also, the applicability of a new polarizable anion analysis column, the IonPac AS 16, for the determination of low level perchlorate is presented.

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Published: 01/01/1998 ISBN(s): 0898679796 Number of Pages: 8File Size: 1 file , 150 KB