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Figure 2
XANES spectra of staurolite and pre-edge extraction models for standard-resolution transmission-mode XANES data recorded in 0.5 eV increments (a) and the same data set with quality degraded by removing every second data point, resulting in 1 eV energy increments (c). The functions for modelling the edge onset, i.e. the inclined arctangent, arctangent, two Gaussian functions and cubic spline, are displayed with the XANES spectra they are applied to. The resulting extracted pre-edge peaks are shown offset for clarity. The fitting residuals are magnified by a factor of ten to show the misfit and the standard deviation (σ) is given. Details in the pre-edge region of plots (a) and (c) are shown in plots (b) and (d), respectively.

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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