Infrared spectrometry for solid phase analysis: Corrosion rusts
Source abstract
Abstract
Abstract For the quantitative analysis of iron oxides powders by infrared spectrometry, the importance of grinding, symmetry (three spectra per sample) and calibration are emphasized (five independent teams of two persons for nine phases, 60 spectra). Simple semi-quantitative problems (three FeOOH phases) are solved by a standard Cramer system. When maghemites are present, it is preferable to adjust the spectrum profile through a least squares method (425–587 cm−1 range). Contrary to Beer’s law, the Bouguer–Lambert formalism gives absolute values (μmoles Fe). Slope measurements are useful for the most difficult substance (Fe3O4).
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: X-ray Diffraction in Crystallography · Cultural Heritage Materials Analysis · Iron oxide chemistry and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (35)
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