ArticleAnalytical and bioanalytical chemistry2025
Quantification of poly(ethylene terephthalate) in environmental samples after methanolysis via gas chromatography-mass spectrometry.
Article in Analytical and bioanalytical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Quantification of the polyester poly(ethylene terephthalate) (PET) in environmental samples is a particular challenge. Due to strong matrix effects by inorganic compounds, thermoanalytical methods are not recommendable for a precise quantification of PET in complex environmental matrices. It was shown that depolymerization followed by determination of chemolysis products is a good alternative. In this study, we developed a quantification method for PET based on methanolysis to terephthalic acid dimethyl ester using sodium methoxide as a catalyst, and subsequent determination via GC-MS. With poly(ethylene terephthalate-d
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