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Formation of nitridotechnetium (VI) μ-oxo dimer complexes with EDTA and EDDA

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Abstract

Reactions of [99TcNCl4]− with ethylenediaminetetraacetic acid (EDTA) and ethylenediamine-N, N′-diacetic acid (EDDA) in a mixture of water and acetone gave TcVIN-EDTA and TcVIN-EDDA complexes. The infrared spectra of both reaction products showed the existence of the Tc≡N and C=O groups. The elemental analysis indicated the 1∶1 TcN-ligand ratio in the EDTA and EDDA complexes. Electrophoresis showed that the TcVI-EDTA complex was an anionic species in a perchlorate solution. For the TcVIN-EDDA complex, neutral and anionic species were formed, depending on the pH of the solution. Formation of the μ-oxo dimer complexes was suggested from the UV-Vis absorption spectra.

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Author notes

  1. K. Yoshihara

    Present address: Tohoku Culture School, Aoba-ku, 981, Sendai, Japan

Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Tohoku University, 980-77, Sendai, Japan

    T. Takayama, Y. Kani, T. Sekine, H. Kudo & K. Yoshihara

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  1. T. Takayama
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  2. Y. Kani
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  3. T. Sekine
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  4. H. Kudo
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  5. K. Yoshihara
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Takayama, T., Kani, Y., Sekine, T. et al. Formation of nitridotechnetium (VI) μ-oxo dimer complexes with EDTA and EDDA. Journal of Radioanalytical and Nuclear Chemistry Letters 199, 217–227 (1995). https://doi.org/10.1007/BF02162370

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  • DOI: https://doi.org/10.1007/BF02162370

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