Abstract
We discuss the use of MS and XRD in the study of an iron-poor soil. We have performed Mössbauer spectroscopy and careful XRD analysis on < 2 μm, < 50 μm and <2 mm sized samples, treated with different Fe-extraction methods. Since the iron content of the coarser fractions is comparable to that of the clay fractions, we show that the usual Mössbauer sample preparation procedures used to overcome the texture effects and to make background absorption corrections are insufficient and that additional homogenization is necessary. By milling the samples for a short interval we achieved spectral area values which are in agreement with Atomic Absorption results and allow to follow the behaviour of the extraction methods.
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Mijovilovich, A., Saragovi, C. Some comments on the study of iron-poor soils by Mössbauer spectroscopy. Hyperfine Interactions 110, 111–119 (1997). https://doi.org/10.1023/A:1012667214569
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DOI: https://doi.org/10.1023/A:1012667214569