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SUMMARY:Quantitative Determination of Uranium in a Certified Uranium Ore C
 oncentrate Reference Material Using ICP-MS
DTSTART;VALUE=DATE-TIME:20260521T100000Z
DTEND;VALUE=DATE-TIME:20260521T102000Z
DTSTAMP;VALUE=DATE-TIME:20260624T055157Z
UID:indico-contribution-3810@indico.tlabs.ac.za
DESCRIPTION:Speakers: Tebogo Gilbert Kupi (North-West University)\nAccurat
 e determination of uranium concentration in uranium ore concentrates is es
 sential for nuclear safeguards\, material accountability\, and nuclear for
 ensic investigations. Reliable analytical techniques supported by certifie
 d reference materials are therefore required to ensure measurement accurac
 y and traceability. Inductively Coupled Plasma Mass Spectrometry (ICP-MS) 
 is widely used for quantitative determination of uranium due to its high s
 ensitivity\, low detection limits\, and capability for multi-element analy
 sis. In this study\, the uranium content of a Canadian Certified Reference
  Material (CRM) uranium ore concentrate was quantitatively determined usin
 g ICP-MS following acid digestion and dilution procedures. The solid CRM s
 ample was digested using nitric acids under controlled laboratory conditio
 ns to ensure complete dissolution of the sample matrix. The resulting solu
 tion was analysed using a NexION 2000 ICP-MS\, and the measured uranium co
 ncentration was converted into weight percent uranium through appropriate 
 dilution and mass balance calculations.\n\nThe analytical results indicate
 d a uranium concentration of approximately 76.55 wt.% U\, corresponding to
  90.27 wt.% U₃O₈ equivalent\, which is consistent with the expected co
 mposition range for high-grade uranium ore concentrates. The use of a cert
 ified reference material provided confidence in the accuracy and reliabili
 ty of the analytical methodology. These findings demonstrate the effective
 ness of ICP-MS for quantitative uranium analysis in uranium ore concentrat
 es and highlight the importance of validated analytical techniques for nuc
 lear safeguards\, nuclear forensics\, and material verification. The devel
 opment and application of such analytical capabilities contribute to stren
 gthening nuclear security frameworks and support ongoing efforts to establ
 ish nuclear forensic databases and analytical capacity within Africa.\n\nh
 ttps://indico.tlabs.ac.za/event/139/contributions/3810/
LOCATION:NRF-iThemba LABS\, Old Faure Road\, Cape Town Auditorium
URL:https://indico.tlabs.ac.za/event/139/contributions/3810/
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