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Published on: April 15, 2013
analysis of phthalate ester content in poly(vinyl chloride) plastics by means of fourier transform Raman spectroscopy
1Department of Chemistry, The Technical University of Denmark, Kemitorvet, B. 207, DK.2800 Lyngby, Denmark.
Abstract:
Fourier transform (FT) Raman spectroscopy is applied to a range of phthalate ester plasticizers in pure form as well as in poly(vinyl chloride) (PVC) samples. It is found that phthalate esters as a group can be identified by a set of six characteristic Raman bands. FT-Raman spectra of 22 phthalate esters are given. It is demonstrated that the presence of phthalate esters in PVC products is readily detectable by FT-Raman spectroscopy. By use of proper reference samples quantitative determination of the phthalate ester content becomes possible as well.
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