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Investigations on the GaIII Complex of EOB-DTPA and Its 68Ga Radiolabeled Analogue
Published on: August 17, 2016
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Determination of the 107Pd half-life
Marina Faure1, Majd Shmeit1, Karsten Kossert2
1Université Paris-Saclay, CEA, Service de Physico-Chimie, Gif-Sur-Yvette, 91191, France.
Summary
Researchers precisely measured the half-life of Palladium-107 (107Pd) using advanced techniques. This study provides a more accurate half-life value for this radioactive isotope.
Area of Science:
- Nuclear Physics
- Radiochemistry
- Analytical Chemistry
Background:
- Palladium-107 (107Pd) is a long-lived radionuclide of interest in nuclear waste management.
- Accurate half-life data is crucial for assessing the long-term behavior and radiological impact of 107Pd.
Purpose of the Study:
- To determine the half-life of 107Pd with high precision.
- To improve upon existing half-life measurements for 107Pd.
Main Methods:
- Preparation of a pure 107Pd solution from reprocessing plant materials.
- Atomic concentration measurement using Multi-Collector Inductively Coupled Plasma Mass Spectrometry (MC-ICP-MS) with isotope dilution.
- Activity measurement using Liquid Scintillation Counting (LSC) with Triple to Double Coincidence Ratio (TDCR) and CIEMAT/NIST methods.
Main Results:
- The half-life of 107Pd was determined to be (5.94 ± 0.07) × 10^6 years (k=1).
- The precision of this measurement is 2.5 times better than previous data.
Conclusions:
- This study provides a significantly improved and precise value for the half-life of 107Pd.
- The enhanced accuracy aids in better radiological assessments and waste management strategies for 107Pd.
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