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Updated: Aug 11, 2026

High Precision Zinc Isotopic Measurements Applied to Mouse Organs
Published on: May 22, 2015
Chromatographic zinc isotope separation by phenol formaldehyde benzo crown resin
Xingcheng Ding1, Masao Nomura, Tatsuya Suzuki
1Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan. dingxchru@hotmail.com
Abstract:
New types of phenol formaldehyde resin having benzo crown as a functional group were synthesized and applied to zinc isotope chromatographic operation. Zinc adsorption and isotope separation capacities were dramatically improved by using phenol formaldehyde benzo-15-crown-5 resin. Zinc batch adsorption tests were performed by various dehydrated organic solvents. Separation coefficient, epsilon 8.1 x 10(-4) and height equivalent to a theoretical plate (HETP) 0.105 cm for the isotopic pair of 68Zn/64Zn in phenol formaldehyde benzo-15-crown-5 resin were obtained in the case of acetone as the solvent at 298+/-1K.
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