Influence of the Coordination Water On the After Effects of the K-capture in Co-57 Doped Feso4xh2o (x=0,1,4,7)

Ladrière, Jean;Beckris, N.;Apers, Désiré
(1992) INTERNATIONAL CONF ON THE APPLICATIONS OF THE MOSSBAUER EFFECT ( ICAME 91 ) — Location: NANJING(Peoples R China) (16.September.1991)

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  • Ladrière, JeanUCLouvain
    Author
  • Beckris, N.
    Author
  • Apers, DésiréUCLouvain
    Author
Abstract
Emission Mossbauer spectroscopy is used to investigate the physico-chemical state of Fe-57 atoms generated by Co-57(2+) electron capture in Co-57 : FeSO4xH20 (x = 0,1,4,7). The spectra of all the hydrates show at least three main components, thc normal bivalent state, Fe2+(N), an aliovalent State, Fe3+, and one (or several) anomalous ferrous species in which the coordination sphere has bern perturbated by thc 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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Ladrière, J., Beckris, N., & Apers, D. (1992). Influence of the Coordination Water On the After Effects of the K-capture in Co-57 Doped Feso4xh2o (x=0,1,4,7). Hyperfine Interactions, 70(1-4), 1245-1248. https://doi.org/10.1007/BF02397555 (Original work published 1992)