FTIR test for plastic ...
FTIR test for plastic ...
(OP)
what does provide principally qualitative but limited quantitative mean in FTIR test?
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FTIR test for plastic ...
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RE: FTIR test for plastic ...
RE: FTIR test for plastic ...
attached with the ABS with 2 samples result, the pattern show altmost same, but , is it same?
RE: FTIR test for plastic ...
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RE: FTIR test for plastic ...
RE: FTIR test for plastic ...
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RE: FTIR test for plastic ...
I suspect that the "limited quantitative" bit comes from the fact that the vast majority of IR spectra are published in normalised form. You'll see where the dips are, and how deep they all are relative to the deepest dip in the spectrum allowing you compare spectra to see what you might have. What you don't get (apart from a relatively small library of common targets) is any indication of the overall strength of absorption from different substances and it's this you need if you want to tell how much contaminant/degradation product you've got in your sample.
A.