Abstract
Abstract A flow coulometric detector was applied to a study of the separation of heavy metal ions by cation exchange chromatography using succinate as an eluent. The separation of Fe, Cd, Zn and Go was carried out within 20 minutes under suitable conditions. The IEC behavior of the ions was discussed and the following formula was obtained: where VR, Z/r are the retention volume and ion-potential of the ion, a and b are constants. The formation constants of three ions were determined with HPIEC method. The suitable working voltage of the detector was selected from theory and reported in the experimental part. The amount of Zn, Cu and Fe in samples was determined.
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