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Journal of Radioanalytical and Nuclear Chemistry

, Volume 322, Issue 2, pp 399–406 | Cite as

In situ determination of 238Pu in the presence of uranium by triple quadrupole ICP-MS (ICP-QQQ-MS)

  • Ling Ying Diane TiongEmail author
  • Shimin Tan
Article
  • 69 Downloads

Abstract

In this work, a direct determination of 238Pu determination using reactive gases, CO2 and H2 in triple quadrupole ICP-MS without prior radiochemical separation resins has been established. Quantification of 0.25 pg/mL 238Pu sample mixture (1.18 pg of 238Pu) yielded satisfactory results (> 95% accuracy), uncertainties of less than 15% and in the presence of spiked natural U (0.5 ng/mL). Additional verification of this method was performed using certified ratio materials (IRMM-086, Belgium) and experimental 238Pu/239Pu and 240Pu/239Pu values are analogous to the certified values provided.

Keywords

Triple quadrupole inductively coupled plasma-mass spectrometry Plutonium Uranium Isobaric interferences Nuclear forensics 

Notes

Acknowledgements

The authors gratefully acknowledge the research funding provided by National Research Foundation, Singapore (NRF). The authors are grateful to Dr. Pong Boon Kin and Dr. Ho Mer Lin, Doris from DSO National Laboratories, Singapore for their fruitful discussions given at the beginning of this work.

Supplementary material

10967_2019_6695_MOESM1_ESM.docx (14 kb)
Supplementary material 1 (DOCX 14 kb)
10967_2019_6695_MOESM2_ESM.docx (369 kb)
Supplementary material 2 (DOCX 368 kb)
10967_2019_6695_MOESM3_ESM.docx (286 kb)
Supplementary material 3 (DOCX 286 kb)

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.Singapore Nuclear Research and Safety InitiativeNational University of SingaporeSingaporeSingapore

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