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Studies on matrix interferences during uranium analysis by extractive liquid scintillation technique

Abstract

The efficiency of ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA) in reducing the influence of salinity and extraction of iron and calcium into the organic phase along with uranium was studied. DTPA has been observed to be more suitable complexing agent compared to EDTA. Iron and calcium were found to be separated quantitatively with more than 95% recovery for uranium, facilitating its rapid and interference free analysis in the presence of DTPA. Uranium recovery under high salinity conditions was also observed to be in the range 89.7–98.6% in the presence of DTPA.

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Correspondence to Priyanka J. Reddy.

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Reddy, P.J., Pulhani, V., Dhole, S.D. et al. Studies on matrix interferences during uranium analysis by extractive liquid scintillation technique. J Radioanal Nucl Chem 311, 1923–1927 (2017). https://doi.org/10.1007/s10967-016-5140-7

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  • DOI: https://doi.org/10.1007/s10967-016-5140-7

Keywords

  • Uranium
  • Matrices
  • Extractive scintillator
  • DTPA
  • EDTA
  • Liquid scintillation spectrometry