Determination of Alkyl Polycyclic Aromatic Hydrocarbons in Dustfall by Supercritical Fluid Extraction Followed by Gas Chromatography/Mass Spectrum

被引：0
|
作者：
Jin-Jun Lian
Chun-Lei Li
Yu Ren
Tian-Tao Cheng
Jian-Min Chen
机构：
[1] Fudan University,Department of Environmental Science and Engineering, Center for Atmospheric Chemistry Study
来源：
Bulletin of Environmental Contamination and Toxicology | 2009年 / 82卷
关键词：
Alkyl PAHs; Dustfall; SFE; Orthogonal experimental design;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A method of supercritical fluid extraction (SFE) followed by gas chromatography/mass spectrum was developed for the determination of alkyl polycyclic aromatic hydrocarbons (APAHs) in dustfall. Extraction parameters including pressure, temperature and time were optimized by orthogonal experimental design. Recovery fell into the range of 73.6%–105.0%, and was prior to the efficiency of ultrasonic extraction. Forty-one 2–4-ring APAHs homologues were detected from dustfall samples. The concentrations of total APAHs were about 2 μg g−1. The ratios of APAHs/TPAHs (PAHs + APAHs) altered from 19.8% to 24.8%. Source analysis indicated that APAHs originated from combustion.
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页码：189 / 193
页数：4
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