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Complexation of curium(III) with L2-aminobutyric acid investigated by time-resolved laser-induced fluorescence spectroscopy

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Abstract

The complex formation of curium(III) with L2-aminobutyric acid was characterized by time-resolved laser-induced fluorescence spectroscopy (TRLFS) at trace Cm(III) concentrations (3·10−7 M). The various curium(III) species, MpHqLr, identified are characterized by their individual luminescence spectra and luminescence lifetimes. The following formation constants were determined log β101 = 5.17±0.07, log β102 = 9.00±0.07, and log β103 = 11.30±0.09 at ionic strength I = 0.5M. Possible structures of the curium aminobutyrate species will be discussed on the basis of the luminescence lifetime measurements and the magnitude of the formation constants.

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  1. Forschungszentrum Dresden-Rossendorf e.V., Institute of Radiochemistry, P.O. Box 510119, D-01314, Dresden, Germany

    H. Moll & G. Bernhard

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  1. H. Moll
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  2. G. Bernhard
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Correspondence to H. Moll.

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Moll, H., Bernhard, G. Complexation of curium(III) with L2-aminobutyric acid investigated by time-resolved laser-induced fluorescence spectroscopy. J Radioanal Nucl Chem 274, 603–608 (2007). https://doi.org/10.1007/s10967-007-6919-3

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  • DOI: https://doi.org/10.1007/s10967-007-6919-3

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