[Ifeffit] Fly ash sample with diluted Tl

Mengling Yi Stuckman stuckman.12 at osu.edu
Thu Sep 29 09:04:17 CDT 2011

Dear Ifeffit Community,

I am currently working on project "Evaluating Speciation of Thallium
in Coal Fly Ash". The project was accepted by APS and we will conduct
our measurement on beamline 5-BM-D.

My fly ash sample has Tl concentration ranging from 0.5ppm to 13ppm.
How can I know whether the sample can generate enough photon counts if
using fluorescence mode? what would be the appropriate sample
preparation procedure I should follow? Is there any interference I
should pay attention to?

I understand that I should use Hephaestus, but I don't know how to do
that if my sample contains lots of different oxides. I attached the
elemental composition in this email. Most metals should be in form of
oxides, or sulfates.

Any input would be highly appreciated,


Mengling Yi Stuckman
Graduate Research Assistant
Civil and Environmental Engineering and Geodetic Science
Ohio State University
2070 Neil Ave., Columbus, OH, 43210
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