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A fast and simple method for the estimation of natural uranium in urine

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Abstract

Natural uranium (U) in urine was co-precipitated with Ca3(PO4)2 and then with BiPO4 after reducing uranyl ions from +6 to +4 state. U separated from BiPO4 was then quantified by measuring its absorbance after complexing it with Arsenazo-III. The interference caused by ions such as Fe3+, Bi3+, Zn2+ and PO4 3− was studied during the measurement of U absorbance. The percent recovery of U was 81.4±2.6 for 5 to 30 μg U present in 500 ml urine. The minimum detectable concentration of U was 2 μg/l and the time required to complete the analysis was 2 days.

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Authors and Affiliations

  1. Health and Safety Division, IGCAR, 603102, Kalpakkam, India

    S. Kalaiselvan & R. K. Jeevanram

Authors
  1. S. Kalaiselvan
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  2. R. K. Jeevanram
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Kalaiselvan, S., Jeevanram, R.K. A fast and simple method for the estimation of natural uranium in urine. J Radioanal Nucl Chem 240, 277–279 (1999). https://doi.org/10.1007/BF02349165

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  • DOI: https://doi.org/10.1007/BF02349165

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