Chemical states of57Fe-atoms after ec-decay of57Co-labelled Co(BrO3)2·6H2O studied by coincidence Mössbauer spectroscopy |
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| Authors: | M Nakada K Tamegaya H Nakahara K Endo |
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| Institution: | (1) Department of Chemistry, Japan Atomic Energy Research Institute, 319-11 Tokai, Ibaraki, Japan;(2) Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Minamioosawa, 192-03 Hachiooji-shi, Tokyo, Japan;(3) Showa College of Pharmaceutical Sciences, Higashi-Tamagawagakuen, 194 Machida-shi, Tokyo, Japan |
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| Abstract: | Two kinds of time differential Mössbauer spectra of57Co-labelled Co(BrO3)2·6H2O were measured at room temperature by delayed coincidence technique, i.e., one was the delayed coincidence between 122 keV γ ray and 14.4 keV γ ray (γ, γ-ray coincidence), and another was the coincidence between 6.3 keV KX ray and 14.4 keV γ ray (X, γ-ray coincidence). The time dependence of chemical states of57Fe-species were observed on γ, γ-ray and X, γ-ray coincidence Mössbauer spectra. The relative area intensities of57Fe(II) observed on the X, γ-ray coincidence spectra were larger than those on the γ, γ-ray coincidence spectra on every time windows. |
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