Abstract
Addition of solutions of mycobactin S in acetone or methanol/acetone mixtures to solutions of NpO 2+2 in the same solvent leads to the immediate reduction of neptunium/VI/ to neptunium/V/. Np/V/ interacts with the ionophore to form a yellow complex with a cation: ligand ratio of 2∶1. The course of these reactions is followed by measurement of changes in characteristic optical absorption and by spectrophotometric titration within the range 700–1350 nm.
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MacCordick, H.J., Kadri, M. Reaction of neptunyl ions with mycobactin S in nonaqueous medium. Journal of Radioanalytical and Nuclear Chemistry Letters 127, 51–58 (1988). https://doi.org/10.1007/BF02165505
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DOI: https://doi.org/10.1007/BF02165505