期刊
QUIMICA NOVA
卷 32, 期 6, 页码 1452-1456出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422009000600017
关键词
polyvinylchloride; plasticizers; vibrational techniques
APPLICATION OF INFRARED AND RAMAN TECHNIQUES IN THE IDENTIFICATION AND QUANTIFICATION OF PLASTICIZERS IN COMMERCIAL FILMS OF PVC. This paper reports the use of Raman and infrared techniques for the qualitative and quantitative analysis of plasticizers in polyvinylchloride (PVC) commercial films. FT-Raman marker bands were indentified for di-2-ethyl-hexyl adipate (DEHA) and di-2-ethyl-hexyl phthalate (DEHP), allowing for the rapid identification of these species in the commercial film. Quantitative analysis by F-FIR resulted in plasticizers concentrations ranging from 11 to 27% (w/w). Considering the little sample preparation and the low cost of the techniques, FT-IR and FT-Raman are viable techniques for a first assessment of plasticizers in commercial samples.
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