Progress in Uranium Chemistry: Driving Advances in Front-End Nuclear Fuel Cycle Forensics

Area of Science:

• Nuclear Chemistry
• Nuclear Forensics
• Materials Science

Background:

• The front-end of the nuclear fuel cycle involves processes for uranium preparation, which can be misused for nefarious purposes.
• Technical means are crucial for detecting, investigating, and preventing the illicit use of nuclear materials and fuel cycle technologies.

Purpose of the Study:

• To investigate uranium compounds relevant to the front-end of the nuclear fuel cycle.
• To advance the field of nuclear forensics by understanding uranium chemistry.
• To identify characteristics and analytical techniques for discerning the origin and history of uranium materials.

Main Methods:

• Investigated morphology of various uranium compounds.
• Analyzed trace elemental and chemical impurities in process samples.
• Studied degradation of uranium compounds under environmental conditions.
• Developed and improved analytical techniques for uranium compound analysis.

Main Results:

• Identified key chemical and physical characteristics of uranium compounds.
• Established methods to discern material origin, process history, and postproduction history.
• Highlighted relevant analytical techniques for nuclear forensics applications.

Conclusions:

• Research has advanced nuclear forensics by characterizing front-end nuclear fuel cycle uranium compounds.
• Further research will yield additional characteristics and analytical approaches to enhance forensic capabilities.
• Understanding uranium compound properties is vital for nuclear material security.