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题名: Simultaneous determination of chlorinated aromatic hydrocarbons in fly ashes discharged from industrial thermal processes
作者: Fan, Yun1;  Zhang, Haijun1;  Wang, Dan1, 2;  Ren, Meihui1, 2;  Zhang, Xueping1;  Wang, Longxing1;  Chen, Jiping1
刊名: ANALYTICAL METHODS
发表日期: 2017-09-21
DOI: 10.1039/c7ay01545c
卷: 9, 期:35, 页:5198-5203
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine ;  Technology
类目[WOS]: Chemistry, Analytical ;  Food Science & Technology ;  Spectroscopy
研究领域[WOS]: Chemistry ;  Food Science & Technology ;  Spectroscopy
英文摘要: Chlorinated aromatic hydrocarbons (CAHs) have received increasing attention because of their environmental persistence, bioaccumulation potential and high toxicity. In this study, an analytical methodology based on high-resolution gas chromatography/high-resolution mass spectrometry for the simultaneous determination of four typical kinds of CAHs including polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs), polychlorinated naphthalenes (PCNs) and chlorinated polycyclic aromatic hydrocarbons (ClPAHs) in fly ash was developed. Highly effective cleanup and separation procedures combined with optimum instrumental conditions provided a reliable method for the detection and quantification of CAHs. Meanwhile, the spike of C-13-labeled standards and deuterated phenanthrene achieved more accurate measurement. The method detection limits were determined to be in the ranges of 0.1-13.4 pg g(-1) for tetra-to octa-CDD/F congeners, 0.04-11.1 pg g(-1) for tri-to hepta-CB congeners, 0.2-48.5 pg g(-1) for mono-to octa-CN congeners and 3.5-9.5 pg g(-1) for mono-and di-chlorinated aromatic hydrocarbons. Good recoveries of CAHs (62-136%) were achieved, except for PCN-2 and PCN-6. The developed analytical methodology was validated and then used to determine the levels of CAHs in fly ashes collected from industrial thermal processes. All the target compounds were detected and the CAH congener concentrations showed a wide variation in different fly ashes.
关键词[WOS]: POLYBROMINATED DIPHENYL ETHERS ;  DIBENZO-P-DIOXINS ;  POLYCHLORINATED NAPHTHALENES ;  MASS-SPECTROMETRY ;  GAS ;  BIPHENYLS ;  PROFILES ;  SAMPLES ;  CHINA
语种: 英语
WOS记录号: WOS:000411529300017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150167
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Fan, Yun,Zhang, Haijun,Wang, Dan,et al. Simultaneous determination of chlorinated aromatic hydrocarbons in fly ashes discharged from industrial thermal processes[J]. ANALYTICAL METHODS,2017,9(35):5198-5203.
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