期刊
CHEMOSPHERE
卷 65, 期 11, 页码 1983-1989出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2006.07.003
关键词
plastic wrap; ClPAHs; isomer identification; scorching; GC/MS
An analytical method for the determination of gaseous and particulate chlorinated polycyclic aromatic hydrocarbons (CIPAHs) was investigated. By means of this method, concentrations and isomer profiles of the 27 target CIPAHs could be analyzed. To evaluate the usefulness of the method for analyzing CIPAH emissions, laboratory-scale scorching tests were performed on polyvinylidene chloride (PVDC) plastic wrap over a flame of the gas burner. Only seven of the target CIPAHs were detected, and all compounds detected had 2, 3, or 4 rings. The detected CIPAHs were present in both the particulate phase and the gaseous phase, but they were present at higher concentrations in the gaseous phase than in the particulate phase. Relationships between the number of chlorine substituents on the naphthalene/phenanthrene rings and the overall concentration and the percentage in the particulate phase were also investigated. (c) 2006 Elsevier Ltd. All rights reserved.
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