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Figure 1
As K-edge XANES spectra of (a) unaerated As(III)-reacted FeS at pH 9 using a He flow sample chamber, (b) unaerated As(III)-reacted FeS at pH 9 without exclusion of the atmospheric O2, (c) a mixture of the thoroughly aerated FeS and As2S3 using a He flow sample chamber, and (d) a mixture of the thoroughly aerated FeS and As2S3 without exclusion of the atmospheric O2. The beam exposure time was about 37 min per scan in a series of multiple scans.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 3| May 2018| Pages 763-770
https://doi.org/10.1107/S1600577518002576
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