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Figure 3
(a) As K-edge XANES spectra and (b) the corresponding LCF results for the partially aerated As(III)-reacted FeS at pH 9 using a He flow sample chamber. The samples that did not undergo redox transformation are represented by single spectra, and those undergoing the photo-oxidation are represented by a series of successive scans. The beam exposure time was about 37 min per scan in a series of multiple scans.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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