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Figure 6
Pre-edge variogram of the integrated intensity and centroid position for the reference compounds staurolite, FeO, FePO4 and α-Fe2O3 and their binary mixtures shown in Fig. 4[link]. The points for the binary mixtures in the variogram in (a) originate from the extracted experimental pre-edge spectra of the mixed compounds. The corresponding points in the variogram in (b) are based on the linear combinations (ratios 20:80, 40:60, 60:40 and 80:20) of the already extracted pre-edge spectra of the pure reference compounds. The peak width (FWHM) and Gaussian fraction (xGaussian) of the pseudo-Voigt functions used for peak fitting are presented in Tables 3[link] and 4[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 2| February 2015| Pages 410-426
doi:10.1107/S1600577514025880
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