Evaluation of the solid-phase microextraction fiber coated with single walled carbon nanotubes for the determination of benzene, toluene, ethylbenzene, xylenes in aqueous samples
被引:59
作者:
Li, Quanlong
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机构:
Xiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R ChinaXiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
Li, Quanlong
[1
]
Ma, Xiaoxia
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机构:
Xiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R ChinaXiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
Ma, Xiaoxia
[1
]
Yuan, Dongxing
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Xiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R ChinaXiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
Yuan, Dongxing
[1
]
Chen, Jinsheng
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Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R ChinaXiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
Chen, Jinsheng
[2
]
机构:
[1] Xiamen Univ, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
[2] Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R China
Solid-phase microextraction;
Single walled carbon nanotubes;
BTEX;
CHROMATOGRAPHY-MASS SPECTROMETRY;
WATER SAMPLES;
STATIC HEADSPACE;
BTEX;
EXTRACTION;
ADSORBENTS;
ETHER;
D O I:
10.1016/j.chroma.2010.02.009
中图分类号:
Q5 [生物化学];
学科分类号:
071010 ;
081704 ;
摘要:
A solid-phase microextraction (SPME) fiber coated with single walled carbon nanotubes (SWCNTs) was prepared by electrophoretic deposition and treated at 500 degrees C in H-2 stream. In order to evaluate the characteristics of the obtained fiber, it was applied in the headspace solid-phase microextraction (HS-SPME) of benzene, toluene, ethylbenzene and xylenes (BTEX) from water sample and quantification by gas chromatography with flame ionization detection (GC-FID). The results indicated that the thermal treatment with H-2 enhanced the extraction of the SWCNTs fiber for BTEX significantly.Thermal stability and durability of the fiber were also investigated, showing excellent stability up to 350 degrees C and life time over 120 times. In the comparison with the commercial CAR-PDMS fiber, the SWCNTs fiber showed similar and higher extraction efficiencies for BTEX. Under the optimized conditions, the linearity, LODs (S/N = 3) and LOQs (S/N = 10) of the method based on the SWCNTs fiber were 0.5-50.0, 0.005-0.026 and 0.017-0.088 mu g/L, respectively. Repeatability for one fiber (n = 3) was in the range of 1.5-5.6% and fiber-to-fiber reproducibility (n = 3) was in the range of 4.2-8.3%. The proposed method was successfully applied in the analysis of BTEX compounds in seawater, tap water and wastewater from a paint plant. (C) 2010 Elsevier B.V. All rights reserved.
机构:
Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Arambarri, I
Lasa, M
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Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Lasa, M
Garcia, R
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Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Garcia, R
Millán, E
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Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
机构:
IAREN, Water Inst No Reg, P-4450113 Matosinhos, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Dias Guimaraes, Ana
Joao Carvalho, Jose
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IAREN, Water Inst No Reg, P-4450113 Matosinhos, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Joao Carvalho, Jose
Goncalves, Carlos
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机构:
IAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Univ Porto, Fac Pharm, Hydrol Lab, FFUP, P-4050047 Oporto, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
机构:
Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Arambarri, I
Lasa, M
论文数: 0引用数: 0
h-index: 0
机构:
Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Lasa, M
Garcia, R
论文数: 0引用数: 0
h-index: 0
机构:
Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
Garcia, R
Millán, E
论文数: 0引用数: 0
h-index: 0
机构:
Univ Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, SpainUniv Basque Country, Fac Quim, Dept Quim Aplicada, San Sebastian 20080, Spain
机构:
IAREN, Water Inst No Reg, P-4450113 Matosinhos, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Dias Guimaraes, Ana
Joao Carvalho, Jose
论文数: 0引用数: 0
h-index: 0
机构:
IAREN, Water Inst No Reg, P-4450113 Matosinhos, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Joao Carvalho, Jose
Goncalves, Carlos
论文数: 0引用数: 0
h-index: 0
机构:
IAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal
Univ Porto, Fac Pharm, Hydrol Lab, FFUP, P-4050047 Oporto, PortugalIAREN, Water Inst No Reg, P-4450113 Matosinhos, Portugal