Abstract
Selenium and tellurium isotopes formed by thermal neutron irradiation have longer half-life than the copper isotope. The non-destructive analysis fails even after the complete decay of copper because of the other radioisotope present. The radioisotopes were separated by ion exchange chromatography on Dowex 1X8 (200–400 mesh) and “Pertitanic” resins in order to obtain a highly sensitive analysis. The limits of detection of 5 ppb for tellurium and 0.5 ppb for selenium were obtained.
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Mignonsin, E.P., Guillaume, M. Application des echangeurs d'ions et des filtres inorganiques au dosage du selenium et du tellure dans le cuivre. J. Radioanal. Chem. 16, 235–243 (1973). https://doi.org/10.1007/BF02517870
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DOI: https://doi.org/10.1007/BF02517870