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Improved urine analysis for polonium, natural uranium, and thorium isotopes and background survey in collected samples of normal people

  • Seokwon Yoon
  • Yejin Kim
  • Wi-Ho Ha
  • Moon Ki Jo
  • Sunhoo Park
  • Jung-min KimEmail author
Article
  • 21 Downloads

Abstract

A sequential analysis procedure for urine samples was developed and validated focusing on 210Po, natural uranium, and thorium radioisotopes. The amount of sample for analysis and counting time were estimated to meet the criteria of minimum detectable activity, which was referenced from the ICRP. The analysis procedure was modified via sequential extraction and was validated using certified reference samples. The time required for sample preparation by this method was compared with those by other methods. Forty-four urine samples collected from participants were analyzed, and the results were compared with those obtained in other studies.

Keywords

Sequential extraction Thorium Natural uranium Polonium Background survey Urine analysis 

Notes

Acknowledgements

This study was supported by a grant from the Korea Institute of Radiological and Medical Sciences (KIRAMS), funded by the Ministry of Science and ICT (MSIT), Republic of Korea. (No. 50535-2019).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  • Seokwon Yoon
    • 1
    • 2
  • Yejin Kim
    • 1
  • Wi-Ho Ha
    • 1
  • Moon Ki Jo
    • 1
  • Sunhoo Park
    • 1
  • Jung-min Kim
    • 2
    Email author
  1. 1.National Radiation Emergency Medical CenterKorea Institute of Radiological and Medical SciencesSeoulRepublic of Korea
  2. 2.Department of Health and Environmental ScienceKorea UniversitySeoulRepublic of Korea

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