Role of U(VI) complexes in the chemiluminescent reaction U(IV) + O3 in H2SO4 solution |
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| Authors: | V P Shilov B G Ershov |
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| Affiliation: | 1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia
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| Abstract: | Data on the effect of U(VI) on the reaction U(IV) + O3 in H2SO4 solution are analyzed. The chemiluminescence enhancement is caused by the formation of a complex of an excited U(VI) ion with an unexcited U(VI) ion, so-called excimer. The decomposition of the excimer to two U(V) ions and H2O2 is followed by the reaction of U(V) with ozone, giving rise to the excited U(VI) ion. Thus, a chain reaction develops. |
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