Abstract
The solvent extraction of technetium from urine with TBP has been investigated. The distribution ratio of technetium was determined as a function of HCl concentration and reaction time. The distribution ratio in the HCl-TBP system containing urine is consistently lower than that without urine. The chemical forms of technetium in urine, analyzed by paper chromatography, indicated that pertechnetate was reduced in the presence of HCl and that the reduction of pertechnetate was enhanced by urine. The observed decrease in the distribution ratio was attributed to the enhanced reduction of pertechnetate by urine.
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Watanabe, S., Hashimoto, K. Solvent extraction of technetium in urine with TBP. Journal of Radioanalytical and Nuclear Chemistry Letters 201, 361–370 (1995). https://doi.org/10.1007/BF02164212
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DOI: https://doi.org/10.1007/BF02164212