Hello everyone,
I am new to ATR-FTIR spectroscopy and am currently trying to interpret and analyse some spectra from PBAT's.
So far I figured out that quantitative analysis is not that easy using ATR-FTIR spectra and that some calibration curves are needed of my substance with knwn concentrations.
That is not possible for me, but are the peak hights relative to their concentration?
If i meassure two samples with PBAT's with the same settings and machine can i say one sample has more of product X if the peak is higher than the other sample?
I attached the MATLAB file of my spectra and each of them as a .png aswell.
"all PBATs Averages" is the filed containing the Averaged spectra of PBATs that i each meassured multiple times.
The "Variances of PBAT 128 graphs" file contains the variance graph that depicts the variance of the averaged graphs from the other file.
Is the end result just: There is no difference and i should start doing the other planned measurements with the DSC and the GPC, or did i miss something important?
I am welcome for all suggestions.
Best regards Dominik Hüfner
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