Abstract
A method for sequential determination of 55Fe and 63Ni in leaching solution of cement solidification using liquid scintillation counting (LSC) was developed. In this method, 55Fe and 63Ni were first precipitated in the form of hydroxide and subsequently purified by anion exchange chromatography and dimethylglyoxime precipitation. After the purification, 55Fe and 63Ni were determined by LSC. The performance of the method was examined, and minimum detectable activity concentration was determined to be 0.82 Bq L−1 for 55Fe and 0.42 Bq L−1 for 63Ni in leaching solution samples with a counting time of 1 h. High decontamination factors for 55Fe and 63Ni were also obtained.
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This research was financially supported by the China Institute for Radiation Protection (CIRP).
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Song, L., Ma, L., Ma, Y. et al. Method for sequential determination of 55Fe and 63Ni in leaching solution from cement solidification. J Radioanal Nucl Chem 319, 1227–1234 (2019). https://doi.org/10.1007/s10967-018-6391-2
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DOI: https://doi.org/10.1007/s10967-018-6391-2