Figure 4
Pre-edge spectra of the reference compounds staurolite, FeO, FePO4 and α-Fe2O3 and their binary mixtures from standard-resolution transmission-mode XANES data, extracted using the inclined arctangent model function and fit with pseudo-Voigt peak functions. Transitions centred above 7115 eV (plotted in dotted lines) were omitted in the analysis. The parent XANES spectra can be viewed in Fig. S2; the mixture spectra were generated by merging normalized XANES spectra of the pure reference compounds in the specified ratios. |