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Mössbauer study on the thermal decomposition of potassium tris (oxalato) ferrate(III) trihydrate and bis (oxalato) ferrate(II) dihydrate

  • Lattice Dynamics and Phase Transitions
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Abstract

The thermal decompositions of K3Fe(ox)3 3 H2O and K2Fe(ox)2 2 H2O in nitrogen have been studied using Mössbauer spectroscopy, X-ray diffraction and thermal analysis methods in order to determine the nature of the solid residues obtained after each stage of decomposition. Particularly, after dehydration at 113°C, the ferric complex is reduced into a ferrous compound, with a quadrupole splitting of 3.89 mm/s, which corresponds to the anhydrous form of K2Fe(ox)2 2 H2O.

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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

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  1. J. Ladriere
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Ladriere, J. Mössbauer study on the thermal decomposition of potassium tris (oxalato) ferrate(III) trihydrate and bis (oxalato) ferrate(II) dihydrate. Hyperfine Interact 70, 1095–1098 (1992). https://doi.org/10.1007/BF02397520

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  • DOI: https://doi.org/10.1007/BF02397520

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