XRF Spectrum of Chlorine in PVC: This is a disk of semi-hard PVC that appears to be lightly plasticized, so it is probably somewhat less than 62wt% chlorine (“PVC-Blank; PVC-01A”, from Modern Analytical Techniques, LLC). Note the presence of Zn and Sr as a trace impurities. Taken with the Innov-X a-2000 spectrometer.
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