Thermal decomposition of iron(II) oxalate dihydrate in nitrogen using the Mössbauer effect
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2878-2880
- https://doi.org/10.1039/j19680002878
Abstract
Mössbauer spectra have been recorded of the solid products of the thermal decomposition of iron(II) oxalate dihydrate in an atmosphere of oxygen-free nitrogen at room temperature and at –196°. The isomer shift and quadrupole splitting of the anhydrous oxalate, which is produced above 170°, are reported. Decomposition occurs at 320° to magnetite and no trace of wüstite is observed. The second differential thermal analysis peak observed by other workers above 365° is paralleled by a simplification in the Mössbauer spectrum, which becomes similar to that of γ-Fe2O3.Keywords
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