How do you interpret the FTIR Output of Calcium Phosphate Nanoparticles (both HAp and Amorphous)?

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Yuwei Fan

The difference of HAP and ACP is at the v3 and v4 bands of HPO4 around 500-650 cm-1.

Sambhaji G. Chavhan

Thank you very much Yuwei Fan....Please go through images I have given and let me know your interpretations.......

#2 and 10 is much close to ACP in my opinion. You might get mixed phases with OCP and HAP in other specimens. XRD will give you better interpretation.

Dear Sir, Yuwei Fan...Thank You very much for Help....Sir please tell me the bands specific to ACP in fig 2 & 10. and specific bands to identify OCP and HAP in other figures......Sir I'm new user of these techniques....please help me to identify the specific peaks in XRD and FTIR for ACP, OCP or HAP.........Please can i send you the XRD and FTIR images of same samples..