[Ifeffit] P K-edge EXAFS

[Marcelo Eduardo Alves]

Hi there,

I begin by examining phosphorus adsorption by goethite, hematite, and
gibbsite.

Why is it difficult, if not impossible, to obtain EXAFS spectra at the P-K
edge that can be properly used, i.e., spectra with a high signal-to-noise
ratio, especially for dilute samples?

Would it be possible to use arsenic as a phosphorus proxy to get
conclusions from As K-edge EXAFS data that could be extended to P?

Thank you.
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