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Figure 5
Software screenshots. The top image presents the 2D-XRD plots with `turbo' colorbar, which are derived from the average of 5400 patterns of the sample of porous media, following proper calibration. As illustrated, the three primary rings are indicative of the three clay minerals' 001 reflections. The grid observed in the data is caused by the geometric characteristics inherent in the XPAD3.2 detector design. The bottom image presents the corresponding radial integration of the top 2D-XRD pattern converted to copper radiation. The selection tool is employed to select the three peaks for subsequent azimuthal integration. As illustrated from left to right, the peaks correspond to the 001 reflections of vermiculite, muscovite and kaolinite. The background, later used to compute the integrated peak intensity, is displayed in red, while the background portions designated for azimuthal integration are shown in green. The dashed vertical black line indicates the threshold at which the rings are subjected to cropping.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 2| April 2026| Pages 648-661
https://doi.org/10.1107/S1600576726000968
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