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SAXS intensity at the low and high q region

Posted: 2020.05.09 14:53
by Yulin323511
I am studying interpreting the SAXS intensity at different q regions. My sample is a powder and I got the scattering profiles as in the attachment.
My teacher told me the scattering intensity of high and low q regions are strongly related to the packing density of the sample, i.e., how much sample is in the beam.
But I could not find relevant literature for that statement. Does anyone know which literature, like books and reviews, proposed that theory?
Thank you very much! :D :D :D