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Determination of organic micropollutants in rainwater using hollow fiber membrane/liquid-phase microextraction combined with gas chromatography-mass spectrometry 2003 Department of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore 117543, Singapore.
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Print(0)
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Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
17-Oct
Volume
1016
Issue
1
Start Page
11
Other Pages
20
Notes
LR: 20090115; JID: 9318488; 0 (Organic Chemicals); 0 (Water Pollutants, Chemical); ppublish
Place of Publication
Netherlands
ISSN/ISBN
0021-9673; 0021-9673
Accession Number
PMID: 14601824
Language
eng
SubFile
Journal Article; IM
DOI
Output Language
Unknown(0)
PMID
14601824
Abstract
A simple and rapid liquid-phase microextraction (LPME) method using a hollow fiber membrane (HFM) in conjunction with gas chromatography-mass spectrometry (GC-MS) is presented for the quantitative determination of 16 polycyclic aromatic hydrocarbons (PAHs) and 12 organochlorine pesticides (OCPs) in rainwater samples. The LPME conditions were optimized for achieving high enrichment of the analytes from aqueous samples, in terms of hollow fiber exposure time, stirring rate, sample pH, and composition. Enrichment factors of more than 100 could be achieved within 35 min of extraction with relative standard deviations (R.S.D.s) 1.3-13.6% for PAHs and 1.7-13.8% for OCPs, respectively, over a wide range of analyte concentrations. Detection limits ranged from 0.002 to 0.047 microg l(-1) for PAHs, and from 0.013 to 0.059 microg l(-1) for OCPs, respectively. The newly developed LPME-GC-MS method has been validated for the analysis of PAHs and OCPs in rainwater samples. Extraction recoveries from spiked synthetic rainwater samples varied from 73 to 115% for PAHs and from 75 to 113% for OCPs, respectively. Real rainwater samples were analyzed using the optimized method. The concentrations of PAHs and OCPs in real rainwater samples were between 0.005-0.162, and 0.063 microg l(-1), respectively.
Descriptors
Gas Chromatography-Mass Spectrometry/methods, Organic Chemicals/analysis, Rain, Reference Standards, Reproducibility of Results, Sensitivity and Specificity, Water Pollutants, Chemical/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Basheer,C., Balasubramanian,R., Lee,H. K.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Determination of organic priority pollutants and emerging compounds in wastewater and snow samples using multiresidue protocols on the basis of microextraction by packed sorbents coupled to large volume injection gas chromatography-mass spectrometry analy 2010 Department of Analytical Chemistry, Helmholtz Centre for Environmental Research-UFZ Permoserstrasse 15, D-04318 Leipzig, Germany. ailette.prieto-sobrina@ufz.de
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Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
17-Sep
Volume
1217
Issue
38
Start Page
6002
Other Pages
6011
Notes
LR: 20131121; CI: 2010; JID: 9318488; 0 (Humic Substances); 0 (Phenols); 0 (Phthalic Acids); 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Sewage); 0 (Water Pollutants, Chemical); DFC2HB4I0K (Polychlorinated Biphenyls); 2010/05/21 [received]; 2010/07/22 [revi
Place of Publication
Netherlands
ISSN/ISBN
1873-3778; 0021-9673
Accession Number
PMID: 20719318
Language
eng
SubFile
Journal Article; IM
DOI
10.1016/j.chroma.2010.07.070 [doi]
Output Language
Unknown(0)
PMID
20719318
Abstract
This paper describes the development and validation of a new procedure for the simultaneous determination of 41 multi-class priority and emerging organic pollutants in water samples using microextraction by packed sorbent (MEPS) followed by large volume injection-gas chromatography-mass spectrometry (LVI-GC-MS). Apart from method parameter optimization the influence of humic acids as matrix components on the extraction efficiency of MEPS procedure was also evaluated. The list of target compounds includes polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), phthalate esters (PEs), nonylphenols (NPs), bisphenol A (BPA) and selected steroid hormones. The performance of the new at-line microextraction-LVI-GC-MS protocol was compared to standard solid-phase extraction (SPE) and LVI-GC-MS analysis. LODs for 100 mL samples (SPE) ranged from 0.2 to 736 ng L(-1) were obtained. LODs for 800 microL of sample (MEPS) were between 0.2 and 266 ng L(-1). In the case of MEPS methodology even a sample volume of only 800 microL allowed to detect the target compounds. These results demonstrate the high sensitivity of both procedures which permitted to obtain good recoveries (>75%) for all cases. The precision of the methods, calculated as relative standard deviation (RSD) was below 21% for all compounds and both methodologies. Finally, the developed methods were applied to the determination of target analytes in various samples, including snow and wastewater.
Descriptors
Gas Chromatography-Mass Spectrometry/methods, Humic Substances, Phenols/analysis/chemistry, Phthalic Acids/analysis/chemistry, Polychlorinated Biphenyls/analysis/chemistry, Polycyclic Hydrocarbons, Aromatic/analysis/chemistry, Reproducibility of Results, Sewage/chemistry, Snow/chemistry, Solid Phase Microextraction/methods, Water Pollutants, Chemical/analysis/chemistry
Links
Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Prieto,A., Schrader,S., Moeder,M.
Original/Translated Title
URL
Date of Electronic
20100803
PMCID
Editors
Determination of organochlorine pesticides in water samples by dispersive liquid-liquid microextraction coupled to gas chromatography-mass spectrometry 2009 Labaqua S.A., C/Dracma 16-18, Pol. Ind. Las Atalayas, 03114 Alicante, Spain.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Analytica Chimica Acta
Periodical, Abbrev.
Anal.Chim.Acta
Pub Date Free Form
7-Sep
Volume
649
Issue
2
Start Page
218
Other Pages
221
Notes
LR: 20131121; JID: 0370534; 0 (Hydrocarbons, Chlorinated); 0 (Pesticides); 0 (Water Pollutants, Chemical); 059QF0KO0R (Water); 2009/05/18 [received]; 2009/07/14 [revised]; 2009/07/15 [accepted]; 2009/07/21 [aheadofprint]; ppublish
Place of Publication
Netherlands
ISSN/ISBN
1873-4324; 0003-2670
Accession Number
PMID: 19699397
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.aca.2009.07.041 [doi]
Output Language
Unknown(0)
PMID
19699397
Abstract
A rapid and simple dispersive liquid-liquid microextraction (DLLME) has been developed to preconcentrate eighteen organochlorine pesticides (OCPs) from water samples prior to analysis by gas chromatography-mass spectrometry (GC-MS). The studied variables were extraction solvent type and volume, disperser solvent type and volume, aqueous sample volume and temperature. The optimum experimental conditions of the proposed DLLME method were: a mixture of 10 microL tetrachloroethylene (extraction solvent) and 1 mL acetone (disperser solvent) exposed for 30 s to 10 mL of the aqueous sample at room temperature (20 degrees C). Centrifugation of cloudy solution was carried out at 2300 rpm for 3 min to allow phases separation. Finally, 2 microL of extractant was recovered and injected into the GC-MS instrument. Under the optimum conditions, the enrichment factors ranged between 46 and 316. The calculated calibration curves gave a high-level linearity for all target analytes with correlation coefficients ranging between 0.9967 and 0.9999. The repeatability of the proposed method, expressed as relative standard deviation, varied between 5% and 15% (n=8), and the detection limits were in the range of 1-25 ng L(-1). The LOD values obtained are able to detect these OCPs in aqueous matrices as required by EPA methods 525.2 and 625. Analysis of spiked real water samples revealed that the matrix had no effect on extraction for river, surface and tap waters; however, urban wastewater sample shown a little effect for five out of eighteen analytes.
Descriptors
Fresh Water/analysis/chemistry, Gas Chromatography-Mass Spectrometry/methods, Hydrocarbons, Chlorinated/analysis/chemistry/isolation & purification, Pesticides/analysis/isolation & purification, Water/chemistry, Water Pollutants, Chemical/analysis/chemistry/isolation & purification
Links
Book Title
Database
Publisher
Data Source
Authors
Cortada,C., Vidal,L., Pastor,R., Santiago,N., Canals,A.
Original/Translated Title
URL
Date of Electronic
20090721
PMCID
Editors
Determination of oxygenated and native polycyclic aromatic hydrocarbons in urban dust and diesel particulate matter standard reference materials using pressurized liquid extraction and LC-GC/MS 2015 Department of Analytical Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Analytical and bioanalytical chemistry
Periodical, Abbrev.
Anal.Bioanal Chem.
Pub Date Free Form
Jan
Volume
407
Issue
2
Start Page
427
Other Pages
438
Notes
LR: 20160512; JID: 101134327; 0 (Air Pollutants); 0 (Anthraquinones); 0 (Benz(a)Anthracenes); 0 (Dust); 0 (Gonanes); 0 (Particulate Matter); 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Vehicle Emissions); 030MS0JBDO (9,10-anthraquinone); BL89U5YZBK (7,12-be
Place of Publication
Germany
ISSN/ISBN
1618-2650; 1618-2642
Accession Number
PMID: 25395203
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1007/s00216-014-8304-8 [doi]
Output Language
Unknown(0)
PMID
25395203
Abstract
The objective of this study was to develop a novel analytical chemistry method, comprised of a coupled high-performance liquid chromatography-gas chromatography/mass spectrometry system (LC-GC/MS) with low detection limits and high selectivity, for the identification and determination of oxygenated polycyclic aromatic hydrocarbons (OPAHs) and polycyclic aromatic hydrocarbons (PAHs) in urban air and diesel particulate matter. The linear range of the four OPAHs, which include 9,10-anthraquinone, 4H-cyclopenta[def]phenanthrene-4-one, benzanthrone, and 7,12-benz[a]anthraquinone, was 0.7 pg-43.3 ng with limits of detection (LODs) and limits of quantification (LOQs) on the order of 0.2-0.8 and 0.7-1.3 pg, respectively. The LODs in this study are generally lower than values reported in the literature, which can be explained by using large-volume injection. The recoveries of the OPAHs spiked onto glass fiber filters using two different pressurized liquid extraction (PLE) methods were in the ranges of 84-107 and 67-110 %, respectively. The analytical protocols were validated using the following National Institute of Standards and Technology standard reference materials: SRM 1649a (Urban Dust), SRM 1650b (Diesel Particulate Matter), and SRM 2975 (Diesel Particulate Matter, Industrial Forklift). The measured mass fractions of the OPAHs in the standard reference materials (SRMs) in this present study are higher than the values from the literature, except for benzanthrone in SRM 1649a (Urban Dust). In addition to the OPAHs, 44 PAHs could be detected and quantified from the same particulate extract used in this protocol. Using data from the literature and applying a two-sided t test at the 5 % level using Bonferroni correction, significant differences were found between the tested PLE methods for individual PAHs. However, the measured mass fractions of the PAHs were comparable, similar to, or higher than those previously reported in the literature.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Ahmed,T.M., Bergvall,C., Aberg,M., Westerholm,R.
Original/Translated Title
URL
Date of Electronic
20141114
PMCID
PMC4300434
Editors
Determination of PAHs and BTEX in air in Zabrze City 2000 Institute of Environmental Engineering, Polish Academy of Science, Zabrze, Poland. misiek@ipis.zabrze.pl
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Central European journal of public health
Periodical, Abbrev.
Cent.Eur.J.Public Health
Pub Date Free Form
Jul
Volume
8 Suppl
Issue
Start Page
90
Other Pages
91
Notes
LR: 20131121; JID: 9417324; 0 (Air Pollutants); 0 (Benzene Derivatives); 0 (Polycyclic Compounds); 0 (Xylenes); 3FPU23BG52 (Toluene); J64922108F (Benzene); L5I45M5G0O (ethylbenzene); ppublish
Place of Publication
CZECH REPUBLIC
ISSN/ISBN
1210-7778; 1210-7778
Accession Number
PMID: 10943488
Language
eng
SubFile
Journal Article; IM
DOI
Output Language
Unknown(0)
PMID
10943488
Abstract
Descriptors
Air Pollutants/analysis, Benzene/analysis, Benzene Derivatives/analysis, Chromatography, Gas/methods, Poland, Polycyclic Compounds/analysis, Toluene/analysis, Xylenes/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Michalski,R., Weglarz,A., Skrok,R.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Determination of polycyclic aromatic hydrocarbons in airborne particulate matter by gas chromatography-triple quadrupole tandem mass spectrometry 2010 University of Almeria, Department of Analytical Chemistry, 04071 Almerea, Spain. agarrido@ual.es
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of AOAC International
Periodical, Abbrev.
J.AOAC Int.
Pub Date Free Form
Jan-Feb
Volume
93
Issue
1
Start Page
284
Other Pages
294
Notes
JID: 9215446; 0 (Air Pollutants); 0 (Particulate Matter); 0 (Polycyclic Hydrocarbons, Aromatic); ppublish
Place of Publication
United States
ISSN/ISBN
1060-3271; 1060-3271
Accession Number
PMID: 20334190
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; Validation Studies; IM
DOI
Output Language
Unknown(0)
PMID
20334190
Abstract
An accurate and sensitive method for the identification and the quantification of 24 polycyclic aromatic hydrocarbons (PAHs) in airborne particulate matter has been developed and validated using GC/MS/MS with a triple quadrupole analyzer. Ultrasonic extraction (USE) and pressurized liquid extraction (PLE) were evaluated. PLE was selected because it provided better recoveries and reduced treatment time and use of solvents compared to USE. Cleanup of PLE extracts was not necessary. The accuracy of the optimized method was tested using a standard reference material of urban dust (SRM 1649a). PAH recoveries were between 70 and 99% (except for naphthalene, which was lower than 20%) with RSDs ranging from 2.6 to 15.3%. Linearity in the range 5-500 ng/mL provided R2 values higher than 0.99 for all compounds. LODs for PAHs ranged from 0.001 to 0.435 ng/mL and LOQs ranged from 0.003 to 0.757 ng/mL. The proposed method was applied to the analysis of real samples collected in the city of Almeria, Spain, where some PAHs were found at levels lower than the legislated limit.
Descriptors
Air Pollutants/analysis, Gas Chromatography-Mass Spectrometry/methods/statistics & numerical data, Particulate Matter/analysis, Polycyclic Hydrocarbons, Aromatic/analysis, Spain, Tandem Mass Spectrometry/methods/statistics & numerical data
Links
Book Title
Database
Publisher
Data Source
Authors
Frenich,A. G., Ocana,R. M., Vidal,J. L.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Determination of polycyclic aromatic hydrocarbons in fresh milk by hollow fiber liquid-phase microextraction-gas chromatography mass spectrometry 2013 Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia. marsin@kimia.fs.utm.my
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatographic science
Periodical, Abbrev.
J.Chromatogr.Sci.
Pub Date Free Form
Feb
Volume
51
Issue
2
Start Page
112
Other Pages
116
Notes
JID: 0173225; 0 (Environmental Pollutants); 0 (Polycyclic Hydrocarbons, Aromatic); 2012/07/09 [aheadofprint]; ppublish
Place of Publication
United States
ISSN/ISBN
1945-239X; 0021-9665
Accession Number
PMID: 22776739
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1093/chromsci/bms113 [doi]
Output Language
Unknown(0)
PMID
22776739
Abstract
In this work, a two-phase hollow fiber liquid-phase microextraction (HF-LPME) method combined with gas chromatography-mass spectrometry (GC-MS) is developed to provide a rapid, selective and sensitive analytical method to determine polycyclic aromatic hydrocarbons (PAHs) in fresh milk. The standard addition method is used to construct calibration curves and to determine the residue levels for the target analytes, fluorene, phenanthrene, fluoranthene, pyrene and benzo[a]pyrene, thus eliminating sample pre-treatment steps such as pH adjustment. The HF-LPME method shows dynamic linearity from 5 to 500 microg/L for all target analytes with R(2) ranging from 0.9978 to 0.9999. Under optimized conditions, the established detection limits range from 0.07 to 1.4 microg/L based on a signal-to-noise ratio of 3:1. Average relative recoveries for the determination of PAHs studied at 100 microg/L spiking levels are in the range of 85 to 110%. The relative recoveries are slightly higher than those obtained by conventional solvent extraction, which requires saponification steps for fluorene and phenanthrene, which are more volatile and heat sensitive. The HF-LPME method proves to be simple and rapid, and requires minimal amounts of organic solvent that supports green analysis.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Sanagi,M.M., Loh,S.H., Wan Ibrahim,W.A., Hasan,M.N., Aboul Enein,H.Y.
Original/Translated Title
URL
Date of Electronic
20120709
PMCID
Editors
Determination of polycyclic aromatic hydrocarbons in Persian Gulf and Caspian Sea: gold nanoparticles fiber for a head space solid phase micro extraction 2013 Department of Chemistry, Shahr-e-Rey Branch, Islamic Azad University, P. O. Box 18735-334, Tehran, Iran.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Bulletin of environmental contamination and toxicology
Periodical, Abbrev.
Bull.Environ.Contam.Toxicol.
Pub Date Free Form
Mar
Volume
90
Issue
3
Start Page
291
Other Pages
295
Notes
JID: 0046021; 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Water Pollutants, Chemical); 7440-57-5 (Gold); 2012/09/18 [received]; 2012/11/17 [accepted]; 2012/11/25 [aheadofprint]; ppublish
Place of Publication
United States
ISSN/ISBN
1432-0800; 0007-4861
Accession Number
PMID: 23183967
Language
eng
SubFile
Journal Article; IM
DOI
10.1007/s00128-012-0906-2 [doi]
Output Language
Unknown(0)
PMID
23183967
Abstract
A gold nanoparticles modified fused silica fiber was developed and used for the head space solid phase micro-extraction (HS-SPME) of polycyclic aromatic hydrocarbons (PAHs), including naphthalene, anthracene, acenaphthylene, phenanthrene, fluoranthene and pyrene. The effects of different parameters influencing the extraction efficiency including extraction temperature, extraction time, ionic strength, stirring rate and sample volume were examined and optimized. Linear ranges of 1-300 mug L(-1) for naphthalene, 0.5-250 mug L(-1) for anthracene, acenaphthylene and phenanthrene and 0.05-200 mug L(-1) for fluoranthene and pyrene were obtained. Detection limits were in the range of 10-200 mug L(-1). Single fiber repeatability and fiber to fiber reproducibility were less than 2.5 %-6.0 % and 8.5 %-13.6 %, respectively. Seawater samples were analyzed as real samples and good recoveries (91.9 %-105.3 %) were obtained for target analytes.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Karimi,M., Aboufazeli,F., Zhad,H.R., Sadeghi,O., Najafi,E.
Original/Translated Title
URL
Date of Electronic
20121125
PMCID
Editors
Determination of polycyclic aromatic hydrocarbons in sediment using solid-phase microextraction with gas chromatography-mass spectrometry 2000 Environmental Research Center Montecatini, Marina di Ravenna, Italy.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatographic science
Periodical, Abbrev.
J.Chromatogr.Sci.
Pub Date Free Form
Feb
Volume
38
Issue
2
Start Page
55
Other Pages
60
Notes
LR: 20061115; JID: 0173225; 0 (Indicators and Reagents); 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Solutions); 0 (Water Pollutants, Chemical); ppublish
Place of Publication
UNITED STATES
ISSN/ISBN
0021-9665; 0021-9665
Accession Number
PMID: 10677833
Language
eng
SubFile
Journal Article; IM
DOI
Output Language
Unknown(0)
PMID
10677833
Abstract
Manual solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS) is applied for the determination of polycyclic aromatic hydrocarbons (PAHs) from natural matrix through a distilled water medium. Seven of the 16 PAH standards (naphthalene, acenaphthene, fluorene, anthracene, fluoranthene, pyrene, benzo[a]anthracene) are spiked on a marine muddy sediment. The samples, containing PAHs in the range of 10-20 ppm, are then aged at room temperature more than 10 days before analysis. The influence of the matrix, SPME adsorption time, pH, salt content, and SPME adsorption temperature are investigated. The reproducibility of the technique is less than 13% (RDS) for the first 6 considered PAHs and 28% (RDS) for benzo(a)anthracene with a fiber containing a 100-micron poly dimethylsiloxane coating. Linearity extended in the range of 5-50 picograms for PAHs direct injection, 5-70 picograms for PAHs in water, and 1-170 picograms for PAHs in sediment. The detection limit is estimated less than 1 microgram/kg of dry sample for the first 6 considered PAHs in sediment and 1.5 micrograms/kg of dry sample for benzo(a)anthracene using the selected ion monitoring mode in GC-MS. The recoveries of the considered PAHs are evaluated.
Descriptors
Adsorption, Calibration, Gas Chromatography-Mass Spectrometry, Hydrogen-Ion Concentration, Indicators and Reagents, Italy, Polycyclic Hydrocarbons, Aromatic/analysis, Solutions, Temperature, Water Pollutants, Chemical/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Cam,D., Gagni,S., Meldolesi,L., Galletti,G.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Determination of polycyclic aromatic hydrocarbons in solid matrices using automated cold fiber headspace solid phase microextraction technique 2013 Department of Chemistry, University of Waterloo, Ontario, N2L 3G1, Canada.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
13-Sep
Volume
1307
Issue
Start Page
66
Other Pages
72
Notes
CI: Copyright (c) 2013; JID: 9318488; 0 (Diethylamines); 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Soil); 0 (Soil Pollutants); B035PIS86W (diethylamine); OTO: NOTNLM; 2013/06/18 [received]; 2013/07/29 [revised]; 2013/07/30 [accepted]; 2013/08/06 [aheadofp
Place of Publication
Netherlands
ISSN/ISBN
1873-3778; 0021-9673
Accession Number
PMID: 23942478
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.chroma.2013.07.110 [doi]
Output Language
Unknown(0)
PMID
23942478
Abstract
The extraction efficiency of analytes in a cold fiber headspace solid-phase microextraction (CF-HS-SPME) system was investigated both theoretically and experimentally. The system was applied for quantitative extraction of polycyclic aromatic hydrocarbons (PAHs) from solid matrices. In order to achieve better extraction efficiency for PAHs, a method with programmed coating temperature was considered and optimized, leading to higher extraction efficiency for most studied analytes when compared with traditional methods. After optimization of extraction with the programmed coating temperature method, the recoveries were above 90% for the majority of tested compounds from the sand matrix, resulting in exhaustive extraction. Certified reference soil was used to evaluate the cold fiber SPME system. Several organic solvents were used to improve the extraction efficiency. Diethylamine was used successfully to realize the exhaustive extraction for volatile compounds and enhance the recoveries of 60-75% for semi-volatile PAHs. Obtained results indicate that the automated cold fiber extraction is a convenient approach to facilitate high throughput, solventless sample preparation.
Descriptors
Links
Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Guo,J., Jiang,R., Pawliszyn,J.
Original/Translated Title
URL
Date of Electronic
20130806
PMCID
Editors