Isotope exchange between iron(II or III) hydroxide and HTO water in the equilibrium state |
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Authors: | H. Imaizumi N. Kano M. Eguchi |
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Affiliation: | (1) Department of Chemistry and Chemical Engineering, Faculty of Engineering, Niigata University, 950-21 Ikarashi, Niigata, Japan |
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Abstract: | Observing the OT-for-OH exchange reaction between iron(II or III) hydroxide and tritiated water (HTO) leads to the following results: (1) isotope exchange as atomic group occurred between the OH group in each iron hydroxide (i.e., Fe(OH)2 or Fe(OH)3) and OT– resulted from the dissociation of HTO; (2) the ratio of the reactivity of the hydroxides is roughly [iron(III) hydroxide]: [iron(II) hydroxide]=1.21.0 and the result is related to a difference in electronegativity between Fe2+ and Fe3+. (In other words, if the reactivity depends on the number of the charge, the ratio should be 1.51.0). |
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