Development of multiwalled carbon nanotubes based micro-solid-phase extraction for the determination of trace levels of sixteen polycyclic aromatic hydrocarbons in environmental water samples

被引:97
作者
Guo, Liang [1 ]
Lee, Hian Kee [1 ]
机构
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
关键词
Multiwalled carbon nanotubes; Micro-solid-phase extraction; Polycyclic aromatic hydrocarbons; LIQUID-LIQUID MICROEXTRACTION; GAS-CHROMATOGRAPHY; FLUORESCENCE DETECTION; MASS-SPECTROMETRY; AQUEOUS SAMPLES; PAHS; HPLC; OPTIMIZATION; DYNAMICS; FIBERS;
D O I
10.1016/j.chroma.2011.10.066
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Micro-solid-phase extraction (mu-SPE) was developed for the determination of trace level of 16 United States Environmental Protection Agency priority polycyclic aromatic hydrocarbons (PAHs) in river water samples with gas chromatography-mass spectrometry (GC-MS). In the mu-SPE device, multiwalled carbon nanotubes was employed as sorbent and was packed inside an porous polypropylene membrane "envelope" whose edges were heat-sealed to secure the contents. The mu-SPE device was placed in a stirred sample solution to extract the analytes. The porous polypropylene membrane envelope in mu-SPE device acts as a filter to exclude potential interferences, such as eliminating or reducing the influence of particles that are bigger than the pore size. After extraction, analyte desorption was carried out with a suitable organic solvent under ultrasonication. Important extraction parameters were optimized in detail, including the selection and amount of sorbent materials, the extraction temperature and extraction time, desorption solvent and desorption time, amount of organic modifier, agitation speed and sample ionic strength. Under the developed extraction conditions, the proposed method provided good linearity in the range of 0.1-50 mu g/L, low limits of detection (4.2-46.5 ng/L), and good repeatability of the extractions (relative standard deviations, <12%, n = 5). The developed mu-SPE method was successfully applied to the extraction of PAHs in river water samples. The mu-SPE method was demonstrated to be a fast and efficient method for the determination of PAHs from environmental water samples. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:9321 / 9327
页数:7
相关论文
共 38 条
[1]   Surface derivatization of poly(p-phenylene terephthalamide) fiber designed for novel separation and extraction media [J].
Abe, A ;
Saito, Y ;
Imaizumi, M ;
Ogawa, M ;
Takeichi, T ;
Jinno, K .
JOURNAL OF SEPARATION SCIENCE, 2005, 28 (17) :2413-2418
[2]   Headspace solid phase microextraction. Dynamics and quantitative analysis before reaching a partition equilibrium [J].
Ai, J .
ANALYTICAL CHEMISTRY, 1997, 69 (16) :3260-3266
[3]   Development and application of porous membrane-protected carbon nanotube micro-solid-phase extraction combined with gas chromatography/mass spectrometry [J].
Basheer, C ;
Ainedhary, AA ;
Rao, BSM ;
Valliyaveettil, S ;
Lee, HK .
ANALYTICAL CHEMISTRY, 2006, 78 (08) :2853-2858
[4]   Development and application of polymer-coated hollow fiber membrane microextraction to the determination of organochlorine pesticides in water [J].
Basheer, C ;
Suresh, V ;
Renu, R ;
Lee, HK .
JOURNAL OF CHROMATOGRAPHY A, 2004, 1033 (02) :213-220
[5]   Application of porous membrane-protected micro-solid-phase extraction combined with HPLC for the analysis of acidic drugs in wastewater [J].
Basheer, Chanbasha ;
Chong, Han Guang ;
Hii, Toh Ming ;
Lee, Hian Kee .
ANALYTICAL CHEMISTRY, 2007, 79 (17) :6845-6850
[6]   Quantification of 13 priority polycyclic aromatic hydrocarbons in human urine by headspace solid-phase microextraction gas chromatography-isotope dilution mass spectrometry [J].
Campo, Laura ;
Mercadante, Rosa ;
Rossella, Federica ;
Fustinoni, Silvia .
ANALYTICA CHIMICA ACTA, 2009, 631 (02) :196-205
[7]   Micro-focused ultrasonic solid-liquid extraction (μFUSLE) combined with HPLC and fluorescence detection for PAHs determination in sediments:: optimization and linking with the analytical minimalism concept [J].
Capelo, JL ;
Galesio, MM ;
Felisberto, GM ;
Vaz, C ;
Pessoa, JC .
TALANTA, 2005, 66 (05) :1272-1280
[8]   Improvement of UV spectrophotometry methodology for the determination of total polycyclic aromatic compounds in contaminated soils [J].
Cloarec, O ;
Gonzalez, C ;
Touraud, E ;
Thomas, O .
ANALYTICA CHIMICA ACTA, 2002, 453 (02) :245-252
[9]   Monitoring of polycyclic aromatic hydrocarbons in water using headspace solid-phase microextraction and capillary gas chromatography [J].
Djozan, D ;
Assadi, Y .
MICROCHEMICAL JOURNAL, 1999, 63 (02) :276-284
[10]  
Fischer J.E., 2006, NANOTUBES NANOFIBERS, P1