[GSAS-II] Info About External Standard Method

Marco Cantaluppi Marco.Cantaluppi at oulu.fi
Tue Jun 24 02:51:15 CDT 2025


Dear all,

I am working with cement mixture, or more generally crystalline materials with minor amount of amorphous content.
I am using GSAS-ii to perform the quantification of the crystalline phases.
However, I would like to perform a quantification of the amorphous content with the External Standard Method that requires to know the Scale Factor of each crystalline phase that have been used in the refinement.
My problem is where and/or how I can calculate the Scale Factor of each crystalline phase from the data obatined from the refinement with GSAS-ii.

(I know that from the refinement the phase fraction of each phase and the general histogram scale factor can be obtained)

Thank you in advance for your help
BR
Marco

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