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Figure 5
Pure chi spectra obtained by treating by MCR-ALS a natural dataset constituting EXAFS spectra corresponding to zinc-polluted sediments (a); normalized mu spectra (b) and relative concentration profiles (c) determined by MCR-ALS applied to the same kinetics dataset as the one employed previously in the multiple LCF example (Fig. 4[link]). The pure spectra associated with the former and latter datasets are displayed along with specific zinc and copper reference compounds, respectively, which were identified using the post MCR-ALS module of Fastosh.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 4| July 2025|
https://doi.org/10.1107/S1600577525003923
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