Abstract

Two-column ion chromatography was employed for the determination of Cl − in aqueous solutions. The influences of the length of the separation column and of the mobile phase flow-rate on the relative retention of Cl − and peak resolution was investigated. Some methods of calculating the void volume and mobile phase linear velocity are proposed. The difference between the performance of the system and that of the separation column has been taken into consideration. The effect of various experimental conditions on the limit of detection of Cl − was studied.

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