[Ifeffit] XANES + EXAFS for light elements in diluted samples

Marcelo Alves mealves at gmail.com
Sat May 10 11:02:49 CDT 2014

Dear all,

I am interested in running some measurements of XANES and EXAFS K-edge
spectra of elements such as  Ca and S sorbed onto commonly found oxisol
minerals, i.e natural kaolinite, gibbsite, hematite, and goethite. Besides
appropiate filters to attenuate the fluorescence signals that come from
elements such as Al and Si, what would the other instrumental conditions
(e.g detector type, photon flux, etc...) needed for getting usable spectra
of those elements in diluted samples? Any suggestion on the more adequate
beamline to carry out such measurements?

Kind regards,

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