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Title:
Determination of 16 polycyclic aromatic hydrocarbons in environmental water samples by solid-phase extraction using multi-walled carbon nanotubes as adsorbent coupled with gas chromatography-mass spectrometry
Author: Ma, Jiping1; Xiao, Ronghui1; Jinhua LI(李金花)2; Yu, Junbao2; Zhang, Yanqing1; Chen, LingXin(陈令新)2
Source: JOURNAL OF CHROMATOGRAPHY A
ISSN: 0021-9673
Issued Date: 2010-08-20
Volume: 1217, Issue:34, Pages:5462-5469
Keyword: Polycyclic aromatic hydrocarbons (PAHs) ; Solid-phase extraction (SPE) ; Multi-walled carbon nanotubes (MWCNTs) ; Gas chromatography-mass spectrometry (GC-MS) ; Water samples
Subject: Biochemical Research Methods; Chemistry, Analytical
Rank: [Ma, Jiping; Xiao, Ronghui; Zhang, Yanqing] Qingdao Technol Univ, Inst Environm & Municipal Engn, Key Lab Environm Engn Shandong Prov, Qingdao 266033, Peoples R China; [Li, Jinhua; Yu, Junbao; Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China
Corresponding Author: Ma, JP, Qingdao Technol Univ, Inst Environm & Municipal Engn, Key Lab Environm Engn Shandong Prov, Qingdao 266033, Peoples R China
Department: 环境化学实验室 
Abstract: A solid-phase extraction (SPE) using multi-walled carbon nanotubes (MWCNTs) as adsorbent coupled with gas chromatography-mass spectrometry (GC-MS) method was developed for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in environmental water samples. Several condition parameters, such as extraction adsorbents, elution solvents and volumes, and sample loading flow rate and volume were optimized to obtain high SPE recoveries and extraction efficiency. 150 mg MWCNTs as sorbent presented high extraction efficiency of 16 PAHs due to the large specific surface area and high adsorption capacity of MWCNTs compared with the commercial C18 column (250 mg/2 mL). The calibration curves of 16 PAHs extracted were linear in the range of 20-5000 ng L-1, with the correlation coefficients (r(2)) between 0.9848 and 0.9991. The method attained good precisions (relative standard deviation, RSD) from 1.2% to 12.1% for standard PAHs aqueous solutions; method recoveries ranged in 76.0-125.5%, 74.5-127.0%, and 70.0-122.0% for real spiked samples from river water, tap water and seawater, respectively. Limits of detection (LODs, S/N = 3) of the method were determined from 2.0 to 8.5 ng L-1. The optimized method was successfully applied to the determination of 16 PAHs in real environmental water samples. (C) 2010 Elsevier B.V. All rights reserved.
English Abstract: A solid-phase extraction (SPE) using multi-walled carbon nanotubes (MWCNTs) as adsorbent coupled with gas chromatography-mass spectrometry (GC-MS) method was developed for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in environmental water samples. Several condition parameters, such as extraction adsorbents, elution solvents and volumes, and sample loading flow rate and volume were optimized to obtain high SPE recoveries and extraction efficiency. 150 mg MWCNTs as sorbent presented high extraction efficiency of 16 PAHs due to the large specific surface area and high adsorption capacity of MWCNTs compared with the commercial C18 column (250 mg/2 mL). The calibration curves of 16 PAHs extracted were linear in the range of 20-5000 ng L(-1), with the correlation coefficients (r(2)) between 0.9848 and 0.9991. The method attained good precisions (relative standard deviation, RSD) from 1.2% to 12.1% for standard PAHs aqueous solutions; method recoveries ranged in 76.0-125.5%, 74.5-127.0%, and 70.0-122.0% for real spiked samples from river water, tap water and seawater, respectively. Limits of detection (LODs, S/N = 3) of the method were determined from 2.0 to 8.5 ng L(-1). The optimized method was successfully applied to the determination of 16 PAHs in real environmental water samples. (C) 2010 Elsevier B.V. All rights reserved.
WOS Subject Extended: Biochemistry & Molecular Biology ; Chemistry
WOS Keyword Plus: PERFORMANCE LIQUID-CHROMATOGRAPHY ; BAR SORPTIVE EXTRACTION ; TREATMENT-PLANT ; MICROEXTRACTION ; PAHS ; PENTACHLOROPHENOL ; GROUNDWATER ; ORGANOCLAY ; SEDIMENTS ; MUSSELS
DOC Type: Article
Indexed Type: SCI
Related URLs: 查看原文
Language: 英语
WOS ID: WOS:000281291000002
Citation statistics:
Content Type: 期刊论文
URI: http://ir.yic.ac.cn/handle/133337/3712
Appears in Collections:环境化学实验室_期刊论文

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description.institution: 1.Qingdao Technol Univ, Inst Environm & Municipal Engn, Key Lab Environm Engn Shandong Prov, Qingdao 266033, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China

Recommended Citation:
Ma, Jiping,Xiao, Ronghui,Li, Jinhua,et al. Determination of 16 polycyclic aromatic hydrocarbons in environmental water samples by solid-phase extraction using multi-walled carbon nanotubes as adsorbent coupled with gas chromatography-mass spectrometry[J]. JOURNAL OF CHROMATOGRAPHY A,2010,1217(34):5462-5469.
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