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Capillary Electrophoresis With Laser-Induced Fluorescent Detection Method Using Highly Emissive Probes for Analysis of Actinides in Radioactive Wastes

[+] Author Affiliations
Tomoko Haraga, Yutaka Kameo, Kuniaki Takahashi

Japan Atomic Energy Agency, Tokai, Ibaraki, Japan

Yuta Nakano, Masami Shibukawa, Shingo Saito

Saitama University, Saitama, Saitama, Japan

Paper No. ICEM2011-59092, pp. 1461-1465; 5 pages
  • ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management
  • ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B
  • Reims, France, September 25–29, 2011
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 978-0-7918-5498-3
  • Copyright © 2011 by ASME


Actinides are important nuclides for the analysis of radioactive wastes arising from nuclear fuel cycle facilities. In order to achieve simple and rapid analysis of actinides, capillary electrophoresis-laser-induced fluorescent detection method (CE-LIF) is one of the potential candidates. In this study, new emissive probes of actinide ions suitable for CE-LIF were developed for the first time. The detection and separation of americium and neptunium ions as model nuclides were examined using several new emissive complexing probes, each of which possessed a fluorophore and a different chelating moiety. With a pre-capillary complexation technique without addition of the probe to separation buffer electrolyte, the highly sensitive fluorescent detection of Am and Np was successfully achieved using acyclic and macrocyclic multidentate probes. The results suggests that the probe with an acyclic hexadentate chelating moiety is suitable for detection and separation of Am and Np. The detection limit of mid–ppt levels was determined.

Copyright © 2011 by ASME



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