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Figure 2
Recorded spectra showing the processing steps for one of the iron-ore spectra. The background and sample spectra are shown overlaid, and the background-subtracted spectrum is offset and multiplied by a factor of three. Simulated Ar K fluorescence peaks are shown to scale. Fluorescence peaks are labelled with the corresponding element and the most intense scattered Rh L line is also labelled. The Al peak is due to to exposure of the interior surface of the nosepiece, while the Ti peak is primarily the result of small amounts of this element in the vacuum window (probably the support grid). The strong peak at ∼2.9 keV in the background-subtracted spectrum is diffraction-enhanced Rh Lβ.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 51| Part 6| December 2018| Pages 1571-1585
https://doi.org/10.1107/S1600576718012943
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