Abstract
Zinc adsorption and isotope effects in ligand exchange system were studied by using macroporous chelating exchange resin. Zinc equilibrium adsorption capacity was calculated as 2.5 mmol/g and it took about 1 h to reach the dynamic sorption balance. Heavier zinc isotopes were found at the front band region, the separation coefficient ( ɛ), 7.2 × 10 −4 and height equivalent to a theoretical plate (HETP) 1.32 mm for isotopic pair of 68Zn/ 64Zn were obtained by 5 m chromatographic operation under 298 ± 1 K in the present chelating exchange resin.
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