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Title: Irradiation and isolation of fission products from uranium metal–organic frameworks

Journal Article · · Journal of Radioanalytical and Nuclear Chemistry
ORCiD logo [1]; ORCiD logo [2];  [3]
  1. Univ. of Nevada, Las Vegas, NV (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Nevada, Las Vegas, NV (United States)

Typical fission product formation experiments utilize metal or oxide target materials that must be dissolved prior to product separation. In this study, we report here a novel study using metal–organic frameworks for recovery of fission products into acidic media. We further show that the frameworks are largely preserved, such that this bulk target material could be retained for additional irradiations or characterizations. Through this approach, fission products can be separated from the actinide-based metal–organic framework using 0.01 M HNO3 without the need to dissolve the framework itself, reducing the amount of acidic waste. Extraction yields of four frameworks with varying pore sizes are compared. In conclusion, the results suggest that it may be possible to use porous frameworks as target materials for the extraction of select fission products.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
89233218CNA000001; AC52-06NA25946
OSTI ID:
1544687
Report Number(s):
LA-UR-18-30985
Journal Information:
Journal of Radioanalytical and Nuclear Chemistry, Vol. 320, Issue 2; ISSN 0236-5731
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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