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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 14, Number 6
BKCSDE 14(6)
June 20, 1993 

Retention Behavior of Transition Metal ions with Some Complexing Agents on Cation Exchanger
Yang Soon Park, Sun Ho Han, Kih Soo Joe, Tae Yoon Eom, Gae Ho Lee*
Prediction of retention times in transition metal-mandelate and transition metal-tartrate complex systems were studied on the cation exchanger. Plots of k' vs [mandelate] and k' vs [tartrate] were obtained under the condition of a constant competing cation concentration. The equation to predict the retention time of transition metal ion was derived from the ion exchange equilibria. Individual capacity factors (k1', k2') and stability constants (K1, K2) of the complexes were calculated from the non-linear least square method. Good resolution of the transition metals was predicted by the stepwise equation in the gradient method. The values of retention times from the calculation and the experiment agreed well each other.
692 - 696
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