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Luminescence properties of uranyl in POCl3-SnCl4 solvent

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Abstract

The spectral-luminescence properties of uranyl in aprotic binary solvent POCl3-SnCl4 were studied. The uranyl luminescence lifetime τ in the POCl3-SnCl4-235UO 2+2 system does not exceed 20 μs. There is no concentration quenching of uranyl up to [UO 2+2 ] = 0.14 M. When anhydrous UO3 is dissolved, τ increases with increasing water content of the initial solvent,. In the solutions containing uranyl perchlorate, τ decreases with increasing uranyl and SnCl4 concentrations. This effect is caused by products of ClO −4 decomposition scavenged by SnCl4.

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  1. Leipunskii Institute of Energy Physics, State Scientific Center of the Russian Federation, Obninsk, Kaluga oblast, Russia

    E. A. Seregina & G. V. Tikhonov

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  1. E. A. Seregina
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  2. G. V. Tikhonov
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Original Russian Text © E.A. Seregina, G.V. Tikhonov, 2007, published in Radiokhimiya, 2007, Vol. 49, No. 6, pp. 520–523.

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Seregina, E.A., Tikhonov, G.V. Luminescence properties of uranyl in POCl3-SnCl4 solvent. Radiochemistry 49, 593–596 (2007). https://doi.org/10.1134/S1066362207060094

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  • DOI: https://doi.org/10.1134/S1066362207060094

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