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Iron EXAFS spectra and fits of binary mixtures of ferrihydrite (Fh), goethite (Gt) and magnetite (Mgt). Solid gray lines with open symbols: sample spectra; solid lines: EXAFS-LCF fits. (A) EXAFS-LCF was done with two ‘end-member’ reference spectra; (B) EXAFS-LCF was done with all the environmentally relevant reference spectra used for natural sediments.
