Determination of chlorinated and brominated polycyclic aromatic hydrocarbons in mangrove wetland soils using gas chromatography
ZUO Zi-cen1, ZHANG Li2, NI Jie1, HE Zhen1, YANG Gui-peng1
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China; 2. Key Laboratory of Tropical Marine Ecosystems and Biological Resources, Ministry of Natural Resources, Beihai 536000, China
Abstract：A gas chromatography-electron capture detector (GC-ECD) method was established to detect 18homologues of Cl/Br-PAHs in soils sampled from mangrove wetlands in Guangxi. The results indicate that a total Cl/Br-PAH content ranged from 163.24 to 244.45ng/g dw in wetland soils. The detection limits and spiked recovery rates were found to range from 0.21 to 3.75ng/g dry weight and from 64.9% to 106.4%, respectively. Compared to the GC-MS method, the GC-ECD method exhibited similar accuracy and sensitivity for most Cl/Br-PAHs and offered better stability and lower analytical costs. This method is thought to be suitable for both qualitative and quantitative analysis of Cl/Br-PAHs in wetland soils.
左梓岑, 张丽, 倪洁, 何真, 杨桂朋. 气相色谱法检测红树林湿地土壤中氯/溴代多环芳烃[J]. 中国环境科学, 2024, 44(1): 261-268.
ZUO Zi-cen, ZHANG Li, NI Jie, HE Zhen, YANG Gui-peng. Determination of chlorinated and brominated polycyclic aromatic hydrocarbons in mangrove wetland soils using gas chromatography. CHINA ENVIRONMENTAL SCIENCECE, 2024, 44(1): 261-268.
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