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Influence of the coordination water on the after effects of the K-capture in57Co doped FeSO4×H2O (x=0,1,4,7)

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Abstract

Emission Mössbauer spectroscopy is used to investigate the physico-chemical state of57Fe atoms generated by57Co2+ clectron capture in57Co: FeSO4xH2O (x=0,1,4,7). The spectra of all the hydrates show at least three main components, the normal bivalent state, Fe2+(N), an aliovalent state, Fe3+, and one (or several) anomalous ferrous species in which the coordination sphere has been perturbated by the self-radiolysis. No Fe3+ is observed in the anhydrous compound whereas the intensity of this component increases as a function of the hydration number, reaching a saturation value of 36% for x=4 and 7.

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Authors and Affiliations

  1. Laboratoire de Chimie Inorganique et Nucléaire, Université Catholique de Louvain Chemin du Cyclotron, 2, B-1348, Louvain-la-Neuve, Belgium

    J. Ladriere, N. Beckris & D. Apers

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  1. J. Ladriere
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  2. N. Beckris
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  3. D. Apers
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Ladriere, J., Beckris, N. & Apers, D. Influence of the coordination water on the after effects of the K-capture in57Co doped FeSO4×H2O (x=0,1,4,7). Hyperfine Interact 70, 1245–1248 (1992). https://doi.org/10.1007/BF02397555

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