Abstract
A safe disposal of nuclear radioactive wastes implies, as major aspects, a suitable form of storage, resistant to the adverse action of the surrounding medium, as well as an accurate method of detection of the leaks from the stored waste. Since a major component of these wastes are uranium compounds, a safe storage implies the identification of hosts that can trap uranium in medium (+3 or +4) valence states that are the most stable against the action of water. The magnetic resonance methods, together with optical spectroscopy, can be a very efficient instrument for identification of such hosts. The uranium that leaks in the water of the surrounding area of the deposited waste can be detected by the extremely sensitive method (10{sup -14} mol per litre, i.e. 10{sup -5} per bilion) of laser-induced luminescence, provided a compound that can trap uranium in water in a six-valence state and in a single structural center, can be found. In this respect, the magnetic resonance of high valence uranium in crystals is very useful because it can help in the identification of suitable trapping compounds and of the proper thermal treatment, necessary to obtain a unique structural center. The paper discusses the data
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Citation Formats
Ursu, I, Lupei, V, and Lupei, A.
Application of uranium magnetic resonance for safe disposal of radioactive wastes.
IAEA: N. p.,
1992.
Web.
Ursu, I, Lupei, V, & Lupei, A.
Application of uranium magnetic resonance for safe disposal of radioactive wastes.
IAEA.
Ursu, I, Lupei, V, and Lupei, A.
1992.
"Application of uranium magnetic resonance for safe disposal of radioactive wastes."
IAEA.
@misc{etde_10126420,
title = {Application of uranium magnetic resonance for safe disposal of radioactive wastes}
author = {Ursu, I, Lupei, V, and Lupei, A}
abstractNote = {A safe disposal of nuclear radioactive wastes implies, as major aspects, a suitable form of storage, resistant to the adverse action of the surrounding medium, as well as an accurate method of detection of the leaks from the stored waste. Since a major component of these wastes are uranium compounds, a safe storage implies the identification of hosts that can trap uranium in medium (+3 or +4) valence states that are the most stable against the action of water. The magnetic resonance methods, together with optical spectroscopy, can be a very efficient instrument for identification of such hosts. The uranium that leaks in the water of the surrounding area of the deposited waste can be detected by the extremely sensitive method (10{sup -14} mol per litre, i.e. 10{sup -5} per bilion) of laser-induced luminescence, provided a compound that can trap uranium in water in a six-valence state and in a single structural center, can be found. In this respect, the magnetic resonance of high valence uranium in crystals is very useful because it can help in the identification of suitable trapping compounds and of the proper thermal treatment, necessary to obtain a unique structural center. The paper discusses the data on uranium ions in crystals, on compounds that can trap uranium from water by precipitation or crystallization, in the frame of the recent results in the field. (author). 23 refs, 6 figs.}
place = {IAEA}
year = {1992}
month = {Sep}
}
title = {Application of uranium magnetic resonance for safe disposal of radioactive wastes}
author = {Ursu, I, Lupei, V, and Lupei, A}
abstractNote = {A safe disposal of nuclear radioactive wastes implies, as major aspects, a suitable form of storage, resistant to the adverse action of the surrounding medium, as well as an accurate method of detection of the leaks from the stored waste. Since a major component of these wastes are uranium compounds, a safe storage implies the identification of hosts that can trap uranium in medium (+3 or +4) valence states that are the most stable against the action of water. The magnetic resonance methods, together with optical spectroscopy, can be a very efficient instrument for identification of such hosts. The uranium that leaks in the water of the surrounding area of the deposited waste can be detected by the extremely sensitive method (10{sup -14} mol per litre, i.e. 10{sup -5} per bilion) of laser-induced luminescence, provided a compound that can trap uranium in water in a six-valence state and in a single structural center, can be found. In this respect, the magnetic resonance of high valence uranium in crystals is very useful because it can help in the identification of suitable trapping compounds and of the proper thermal treatment, necessary to obtain a unique structural center. The paper discusses the data on uranium ions in crystals, on compounds that can trap uranium from water by precipitation or crystallization, in the frame of the recent results in the field. (author). 23 refs, 6 figs.}
place = {IAEA}
year = {1992}
month = {Sep}
}