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Synchrotron X-ray Absorption Spectroscopy - Stanford Synchrotron ...

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Analysis by peak deconvolution<br />

I. J. Pickering and G. N. George GEOL 498.3/898.3<br />

Sulfur K-edge X-<strong>ray</strong><br />

absorption near-edge<br />

spectra<br />

Sulfur K Near-edge spectra of<br />

biological model compounds.<br />

The spectra are very sensitive<br />

to the chemical form of sulfur<br />

and can be used to “fingerprint”<br />

forms of sulfur present.<br />

SO 4 2-<br />

RSO 3 -<br />

SO 3 2-<br />

RSO 2 -<br />

RS=O<br />

R3S +<br />

RS-Me<br />

RS-H<br />

RS-SR<br />

S8 Fe 4S 4<br />

I. J. Pickering and G. N. George GEOL 498.3/898.3<br />

x2<br />

x2<br />

x2<br />

x2<br />

x2

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