期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 255, 期 1, 页码 155-158出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1022204503720
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We have, previously, reported on the HPLC elution behavior of the Th, Pa, U, Np, and Am metallofullerenes and the UV/vis/NIR absorption spectra of the Th@C-84 and U@C-82 species. In this paper, the followings are reported: (1) Pu metallofullerenes were produced and their HPLC elution behavior was investigated using a radiotracer technique. The HPLC chromatogram of this metallofullerene was found to be almost the same as that of the Np and Am metallofullerenes. (2) The oxidation states of Th@C-84 and U@C-82 produced in macroscopic quantities were examined by XANES (X-ray absorption near edge structure) measurements. The oxidation state of the U atom in the C-82 fullerene cage was estimated to be 3+ with the formal charge of the ionic molecule being U3+@C-82(3-).
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