Tanu H.M. Depends on the 'binder materials'. Please elaborate. If these are organic/polymeric then you're likely to have amorphous peaks with no sharp peaks indicative of a crystalline system.
When impurity comes, we may easily detect it adopting Rietveld refinement of the XRD data. Basically, binders are all organic compounds which have lower boiling points. If your main composition has higher boiling point, you may apply heat treatment at higher (above 1000 C) sintering temperature. This sintering could element all or majority percentage of impurity.
In contrast, you may apply Rietveld refinement using FullProf or any other refining software.
Best regards
As Dr. Rawle says, the binder material is generally amorphous with no sharp peaks; you can obtain the diffraction spectra of the binder material and by subtraction the diffraction pattern of the sample. It is relatively simple.
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