Abstract
This article presents the application of an automated online separation–direct analysis method, RAPID (Rapid Analysis of Post-Irradiation Debris), for the simultaneous measurement of both radioactive and stable fission isotopes from an irradiated highly-enriched uranium target. Developed for the measurement of the concentration and isotopic composition of over 40 elements down to the femtogram level, the RAPID method possesses the sensitivity, stability, and precision required to achieve accurate, low-level analyses of elements of non-natural origin. The isotopic compositions and concentrations of key fission elements cesium, strontium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, and samarium have been measured repeatedly over a six-week period. The validity of these measurements was confirmed using ORIGEN (Oak Ridge Isotope GENeration), an isotope depletion and decay modeling software, to within 1–3%.
| Original language | English |
|---|---|
| Article number | 120079 |
| Journal | Talanta |
| Volume | 205 |
| DOIs | |
| State | Published - Dec 1 2019 |
Funding
This submission has been authored by a contractor of the U.S. Government under contract No. DE AC05-00OR22725. Accordingly, the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of this contribution, or allow others to do so, for the U.S. Government purposes. This work was sponsored by the Defense Threat Reduction Agency (DTRA) under contract No. DTRA1002726025. This research was supported in part by an appointment to the Oak Ridge National Laboratory Post-Master's Research Associate Program, sponsored by the U.S. Department of Energy and administered by the Oak Ridge Institute for Science and Education. This submission has been authored by a contractor of the U.S. Government under contract No. DE AC05-00OR22725 . Accordingly, the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of this contribution, or allow others to do so, for the U.S. Government purposes. This work was sponsored by the Defense Threat Reduction Agency (DTRA) under contract No. DTRA1002726025 . This research was supported in part by an appointment to the Oak Ridge National Laboratory Post-Master’s Research Associate Program, sponsored by the U.S. Department of Energy and administered by the Oak Ridge Institute for Science and Education .
| Funders | Funder number |
|---|---|
| U.S. Government | |
| U.S. Department of Energy | |
| Defense Threat Reduction Agency | DTRA1002726025 |
| Oak Ridge National Laboratory | |
| Oak Ridge Institute for Science and Education |
Keywords
- Fission products
- ICPMS
- Ion chromatography
- Isotopic analysis
- ORIGEN
- Rapid