Abstract
A comprehensive study regarding the speciation of uranium in five different solids, namely, YBO3, Sr2P2O7, SrB4O7, SrBPO5 and SrZrO3 is presented using time resolved photoluminescence spectroscopy. The ‘Sr’ based hosts are considered as potential phosphor materials where as the borate based matrices are known to have near tissue equivalent absorption coefficients making them potential candidates for dosimetric applications. It was observed that, in case of the pyrophosphate, borophosphate and yttrium borate matrices, uranium gets stabilized as uranyl (\( {\text{UO}}_{2}^{2 + } \)), whereas, in case of the tetraborate and zirconate matrices, it was the uranate species, \( {\text{UO}}_{6}^{6 - } \) that gets stabilized preferentially.
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The authors sincerely acknowledge the contributions of Dr. T. K. Seshagiri, Dr. (Mrs.) M. J. Kulkarni, Dr. Mithlesh Kumar, Dr. N. K. Porwal, Dr. S. V. Godbole and Shri S. K. Gupta to this work.
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Mohapatra, M., Natarajan, V. Speciation of uranium in solids using time resolved photoluminescence technique. J Radioanal Nucl Chem 302, 1327–1332 (2014). https://doi.org/10.1007/s10967-014-3532-0
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DOI: https://doi.org/10.1007/s10967-014-3532-0