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Waterpipe smoke: source of toxic and carcinogenic VOCs, phenols and heavy metals? 2015 Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany. Jens.Schubert@bfr.bund.de.; Department of Chemicals and Product Safety, German Federal Institute for Risk Asses
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Print(0)
Ref Type
Journal Article
Periodical, Full
Archives of Toxicology
Periodical, Abbrev.
Arch.Toxicol.
Pub Date Free Form
Nov
Volume
89
Issue
11
Start Page
2129
Other Pages
2139
Notes
JID: 0417615; OTO: NOTNLM; 2014/02/20 [received]; 2014/09/11 [accepted]; 2014/09/24 [aheadofprint]; ppublish
Place of Publication
Germany
ISSN/ISBN
1432-0738; 0340-5761
Accession Number
PMID: 25248501
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1007/s00204-014-1372-x [doi]
Output Language
Unknown(0)
PMID
25248501
Abstract
The use of the waterpipe, a traditional aid for the consumption of tobacco, has spread worldwide and is steadily increasing especially among the youth. On the other hand, there is a lack of knowledge regarding the composition of mainstream waterpipe smoke and the toxicological risks associated with this kind of smoking habit. Using a standardized machine smoking protocol, mainstream waterpipe smoke was generated and further analyzed for twelve volatile organic compounds (VOCs) and eight phenolic compounds by applying gas chromatography-mass spectrometry and reverse-phase high-performance liquid chromatography-fluorescence detection, respectively. Additionally, seventeen elements were analyzed in waterpipe tobacco and charcoal prior to and after smoking, applying inductively coupled plasma-mass spectrometry to assess the maximum exposure of these elements. For the first time ever, we have been able to show that waterpipe mainstream smoke contains high levels of the human carcinogen benzene. Compared with cigarette smoke yields, the levels were 6.2-fold higher, thus representing a significant health hazard for the waterpipe smoker. Furthermore, we found that waterpipe mainstream smoke contains considerable amounts of catechol, hydroquinone and phenol, each of which causing some health concern at least. The analysis of waterpipe tobacco and charcoal revealed that both matrices contained considerable amounts of the toxic elements nickel, cadmium, lead and chromium. Altogether, the data on VOCs, phenols and elements presented in this study clearly point to the health hazards associated with the consumption of tobacco using waterpipes.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Schubert,J., Muller,F.D., Schmidt,R., Luch,A., Schulz,T.G.
Original/Translated Title
URL
Date of Electronic
20140924
PMCID
Editors
Electropolymerized multiwalled carbon nanotubes/polypyrrole fiber for solid-phase microextraction and its applications in the determination of pyrethroids 2011 Department of Chemistry and Environment Engineering, Wuyi University, Fujian 354300, China.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Talanta
Periodical, Abbrev.
Talanta
Pub Date Free Form
15-Mar
Volume
84
Issue
1
Start Page
104
Other Pages
108
Notes
LR: 20131121; CI: Copyright (c) 2011; JID: 2984816R; 0 (Nanotubes, Carbon); 0 (Polymers); 0 (Pyrethrins); 0 (Pyrroles); 059QF0KO0R (Water); 12597-68-1 (Stainless Steel); 30604-81-0 (polypyrrole); 2010/09/14 [received]; 2010/12/07 [revised]; 2010/12/17 [ac
Place of Publication
England
ISSN/ISBN
1873-3573; 0039-9140
Accession Number
PMID: 21315905
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.talanta.2010.12.027 [doi]
Output Language
Unknown(0)
PMID
21315905
Abstract
A novel solid-phase microextraction (SPME) fiber coated with multiwalled carbon nanotubes/polypyrrole (MWCNTs/Ppy) was prepared with an electrochemical method and used for the extraction of pyrethroids in natural water samples. The results showed that the MWCNTs/Ppy coated fiber had high organic stability, and remarkable acid and alkali resistance. In addition, the MWCNTs/Ppy coated fiber was more effective and superior to commercial PDMS and PDMS/DVD fibers in extracting pyrethroids in natural water samples. Under optimized conditions, the calibration curves were found to be linear from 0.001 to 10 mug mL(-1) for five of the six pyrethroids studied, the exception being fenvalerate (which was from 0.005 to 10 mug mL(-1)), and detection limits were within the range 0.12-0.43 ng mL(-1). The recoveries of the pyrethroids spiked in water samples at 10 ng mL(-1) ranged from 83 to 112%.
Descriptors
Links
Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Chen,L., Chen,W., Ma,C., Du,D., Chen,X.
Original/Translated Title
URL
Date of Electronic
20101229
PMCID
Editors
N'-{(E)-[5-(Hy-droxy-meth-yl)furan-2-yl]methyl-idene}pyridine-4-carbohydrazide dihydrate 2013 Department of Chemistry and Research Centre, PRNSS College, Mattanur 670 702, Kannur, Kerala, India.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Acta crystallographica.Section E, Structure reports online
Periodical, Abbrev.
Acta Crystallogr.Sect.E.Struct.Rep.Online
Pub Date Free Form
27-Jul
Volume
69
Issue
Pt 8
Start Page
o1342
Other Pages
3
Notes
LR: 20140124; JID: 101089178; OID: NLM: PMC3793823; 2013/08/01 [ecollection]; 2013/06/30 [received]; 2013/07/20 [accepted]; 2013/07/27 [epublish]; epublish
Place of Publication
United States
ISSN/ISBN
1600-5368; 1600-5368
Accession Number
PMID: 24109410
Language
eng
SubFile
Journal Article
DOI
10.1107/S1600536813020114 [doi]
Output Language
Unknown(0)
PMID
24109410
Abstract
In the title compound, C12H11N3O3.2H2O, the dihedral angle formed by the planes of the pyridine and the furan rings of the organic carbohydrazide mol-ecule is 4.66 (7) degrees . In the crystal, these mol-ecules form stacks along the b-axis direction, neighbouring mol-ecules within each stack being related by inversion and the shortest distance between the centroids of the pyridine and furan rings being 3.714 (1) A. Mol-ecules from neighboring stacks are linked by pairs of N-Hcdots, three dots, centeredO hydrogen bonds. The water mol-ecules fill the channels between the stacks being linked by O-Hcdots, three dots, centeredO hydrogen bonds into helices along [010]. Besides this, water mol-ecules are involved in O-Hcdots, three dots, centeredN and O-Hcdots, three dots, centeredO hydrogen bonds with the carbohydrazide mol-ecules, thus forming a three-dimensional network, augmented by weak C-Hcdots, three dots, centeredO interactions.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Prasanna,M.K., Sithambaresan,M., Pradeepkumar,K., Kurup,M.R.
Original/Translated Title
URL
Date of Electronic
20130727
PMCID
PMC3793823
Editors
High extraction efficiency for polar aromatic compounds in natural water samples using multiwalled carbon nanotubes/Nafion solid-phase microextraction coating 2009 Department of Chemistry and the Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
25-Dec
Volume
1216
Issue
52
Start Page
9143
Other Pages
9148
Notes
JID: 9318488; 0 (Hydrocarbons, Aromatic); 0 (Nanotubes, Carbon); 0 (Water Pollutants, Chemical); 2009/04/20 [received]; 2009/06/25 [revised]; 2009/07/14 [accepted]; 2009/07/18 [aheadofprint]; ppublish
Place of Publication
Netherlands
ISSN/ISBN
1873-3778; 0021-9673
Accession Number
PMID: 19660762
Language
eng
SubFile
Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.chroma.2009.07.025 [doi]
Output Language
Unknown(0)
PMID
19660762
Abstract
A novel solid-phase microextraction (SPME) fiber coated with multiwalled carbon nanotubes (MWCNTs)/Nafion was developed and applied for the extraction of polar aromatic compounds (PACs) in natural water samples. The characteristics and the application of this fiber were investigated. Electron microscope photographs indicated that the MWCNTs/Nafion coating with average thickness of 12.5microm was homogeneous and porous. The MWCNTs/Nafion coated fiber exhibited higher extraction efficiency towards polar aromatic compounds compared to an 85microm commercial PA fiber. SPME experimental conditions, such as fiber coating, extraction time, stirring rate, desorption temperature and desorption time, were optimized in order to improve the extraction efficiency. The calibration curves were linear from 0.01 to 10microgmL(-1) for five PACs studied except p-nitroaniline (from 0.005 to 10microgmL(-1)) and m-cresol (from 0.001 to 10microgmL(-1)), and detection limits were within the range of 0.03-0.57ngmL(-1). Single fiber and fiber-to-fiber reproducibility were less than 7.5 (n=7) and 10.0% (n=5), respectively. The recovery of the PACs spiked in natural water samples at 1microgmL(-1) ranged from 83.3 to 106.0%.
Descriptors
Adsorption, Hydrocarbons, Aromatic/chemistry, Limit of Detection, Nanotubes, Carbon/chemistry, Solid Phase Microextraction/instrumentation/methods, Water Pollutants, Chemical/chemistry
Links
Book Title
Database
Publisher
Data Source
Authors
Chen,W., Zeng,J., Chen,J., Huang,X., Jiang,Y., Wang,Y., Chen,X.
Original/Translated Title
URL
Date of Electronic
20090718
PMCID
Editors
Water analysis of the sixteen environmental protection agency-polycyclic aromatic hydrocarbons via solid-phase nanoextraction-gas chromatography/mass spectrometry 2014 Department of Chemistry, 4000 Central Florida Blvd, Physical Sciences Room 255, University of Central Florida, Orlando, FL 32816-2366, USA.; Department of Chemistry, 4000 Central Florida Blvd, Physical Sciences Room 255, University of Central Florida, Orl
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
6-Jun
Volume
1345
Issue
Start Page
1
Other Pages
8
Notes
CI: Copyright (c) 2014; JID: 9318488; 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Solvents); 0 (Water Pollutants, Chemical); 7440-57-5 (Gold); OTO: NOTNLM; 2013/12/20 [received]; 2014/03/19 [revised]; 2014/03/30 [accepted]; 2014/04/04 [aheadofprint]; ppubli
Place of Publication
Netherlands
ISSN/ISBN
1873-3778; 0021-9673
Accession Number
PMID: 24794939
Language
eng
SubFile
Journal Article; IM
DOI
10.1016/j.chroma.2014.03.082 [doi]
Output Language
Unknown(0)
PMID
24794939
Abstract
The growing concern with a sustainable environment poses a new challenge to analytical chemists facing the routine monitoring of polycyclic aromatic hydrocarbons (PAHs) in water samples. The new method presented here meets several features of green analytical chemistry. PAHs are extracted from 500 muL of water sample with 1 mL of a gold nanoparticles aqueous solution and released with 100 muL of organic solvents for subsequent analysis via gas chromatography/mass spectrometry. The relative standard deviations of the overall procedure ranged from 2.4 (acenaphthene) to 7.8% (dibenz[a,h]anthracene). The limits of detection were excellent as well and varied from 4.94 (fluoranthene) to 65.5 ng L(-1) (fluorene). The excellent analytical figures of merit, the simplicity of the experimental procedure, the short analysis time and the reduced solvent consumption demonstrate the potential of this approach for the routine monitoring of the sixteen priority pollutants via and environmentally friendly methodology.
Descriptors
Links
Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Wilson,W.B., Hewitt,U., Miller,M., Campiglia,A.D.
Original/Translated Title
URL
Date of Electronic
20140404
PMCID
Editors
Ethyl 2-[2-(2,4-diphenyl-3-aza-bicyclo-[3.3.1]nonan-9-yl-idene)hydrazin-1-yl]-4-methyl- 1,3-thia-zole-5-carboxyl-ate di-methyl-formamide monosolvate 2013 Department of Chemistry, Annamalai University, Annamalainagar 608 002, Chidambaram, Tamil Nadu, India.; Department of Chemistry, Annamalai University, Annamalainagar 608 002, Chidambaram, Tamil Nadu, India.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Acta crystallographica.Section E, Structure reports online
Periodical, Abbrev.
Acta Crystallogr.Sect.E.Struct.Rep.Online
Pub Date Free Form
18-Dec
Volume
70
Issue
Pt 1
Start Page
o68
Other Pages
9
Notes
LR: 20140217; JID: 101089178; OID: NLM: PMC3914099; 2014/01/01 [ecollection]; 2013/11/16 [received]; 2013/12/11 [accepted]; 2013/12/18 [epublish]; epublish
Place of Publication
United States
ISSN/ISBN
1600-5368; 1600-5368
Accession Number
PMID: 24527004
Language
eng
SubFile
Journal Article
DOI
10.1107/S1600536813033540 [doi]
Output Language
Unknown(0)
PMID
24527004
Abstract
In the title mol-ecule, C27H30N4O2S.C3H7NO, the fused piperidine and cyclo-hexane rings adopt a twin chair conformation and the phenyl groups occupy equatorial sites. The phenyl rings make a dihedral angle of 40.74 (2) degrees . In the crystal, the di-methyl-formamide solvent mol-ecule is connected to the main mol-ecule by an N-Hcdots, three dots, centeredO hydrogen bond. An additional N-Hcdots, three dots, centeredO hydrogen bond connects mol-ecules into chains along [100]. Pairs of weak C-Hcdots, three dots, centeredO hydrogen bonds connect inversion-related chains. The ethyl group was refined as disordered over two sets of sites with an occupancy ratio of 0.660 (17):0.340 (17).
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Jothivel,S., Kabilan,S.
Original/Translated Title
URL
Date of Electronic
20131218
PMCID
PMC3914099
Editors
Mixing ratios of carbonyls and BTEX in ambient air of Kolkata, India and their associated health risk 2009 Department of Chemistry, Calcutta University, 92, A.P.C. Road, Kolkata 700 009, India.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Environmental monitoring and assessment
Periodical, Abbrev.
Environ.Monit.Assess.
Pub Date Free Form
Jan
Volume
148
Issue
4-Jan
Start Page
97
Other Pages
107
Notes
LR: 20131121; JID: 8508350; 0 (Air Pollutants); 0 (Aldehydes); 0 (Benzene Derivatives); 0 (Solvents); 0 (Volatile Organic Compounds); J64922108F (Benzene); 2007/08/30 [received]; 2007/12/20 [accepted]; 2008/01/25 [aheadofprint]; ppublish
Place of Publication
Netherlands
ISSN/ISBN
1573-2959; 0167-6369
Accession Number
PMID: 18219584
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1007/s10661-007-0142-0 [doi]
Output Language
Unknown(0)
PMID
18219584
Abstract
Mixing ratios of 15 carbonyls and BTEX (benzene, toluene, ethyl benzene, xylenes) were measured for the first time in ambient air of Kolkata, India at three sites from March to June 2006 and their photochemical reactivity was evaluated. Day and nighttime samples were collected on weekly basis. Formaldehyde was the most abundant carbonyl (mean concentration ranging between 14.07 microg m(-3) to 26.12 microg m(-3) over the three sites) followed by acetaldehyde (7.60-18.67 microg m(-3)) and acetone (4.43-10.34 microg m(-3)). Among the high molecular weight aldehydes, nonanal showed the highest concentration. Among the mono-aromatic VOCs, mean concentration of toluene (27.65-103.31 microg m(-3)) was maximum, closely followed by benzene (24.97-79.18 microg m(-3)). Mean formaldehyde to acetaldehyde (1.4) and acetaldehyde to propanal ratios (5.0) were typical of urban air. Based on their photochemical reactivity towards OH. radical, the concentrations of the VOCs were scaled to formaldehyde equivalent, which showed that the high molecular weight carbonyls and xylenes contribute significantly to the total OH-reactive mass of the VOCs. Due to the toxic effect of the VOCs studied, an assessment for both cancer risk and non-cancer hazard due to exposure to the population were calculated. Integrated life time cancer risk (ILTCR) due to four carcinogens (benzene, ethyl benzene, formaldehyde and acetaldehyde) and non-cancer hazard index for the VOCs at their prevailing level were estimated to be 1.42E-04 and 5.6 respectively.
Descriptors
Air Pollutants/analysis, Aldehydes/analysis, Benzene/analysis, Benzene Derivatives/analysis, Cities, Environmental Exposure, Environmental Monitoring/instrumentation/methods, Humans, India, Inhalation Exposure, Neoplasms/etiology, Photochemistry, Risk Assessment, Seasons, Solvents/analysis, Urban Health, Volatile Organic Compounds/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Dutta,C., Som,D., Chatterjee,A., Mukherjee,A. K., Jana,T. K., Sen,S.
Original/Translated Title
URL
Date of Electronic
20080125
PMCID
Editors
Crystal structure of 4-{(E)-[2-(pyridin-4-ylcarbon-yl)hydrazin-1-yl-idene]meth-yl}phenyl acetate monohydrate 2015 Department of Chemistry, Christ University, Hosur Road, Bangalore 560 029, India.; Department of Chemistry, Christ University, Hosur Road, Bangalore 560 029, India.; Department of Chemistry, Faculty of Science, Eastern University, Sri Lanka, Chenkalady, S
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Acta crystallographica.Section E, Crystallographic communications
Periodical, Abbrev.
Acta Crystallogr.E.Crystallogr.Commun.
Pub Date Free Form
3-Jan
Volume
71
Issue
Pt 2
Start Page
o79
Other Pages
80
Notes
LR: 20150418; JID: 101648987; OID: NLM: PMC4384571; OTO: NOTNLM; 2015/02/01 [ecollection]; 2014/12/15 [received]; 2014/12/20 [accepted]; 2015/01/03 [epublish]; epublish
Place of Publication
England
ISSN/ISBN
2056-9890
Accession Number
PMID: 25878881
Language
eng
SubFile
Journal Article
DOI
10.1107/S2056989014027819 [doi]
Output Language
Unknown(0)
PMID
25878881
Abstract
The asymmetric unit of the title compound, C15H13N3O3.H2O, comprises a 4-{(E)-[2-(pyridin-4-ylcarbon-yl)hydrazinyl-idene]meth-yl}phenyl acetate mol-ecule and a solvent water mol-ecule linked by O-Hcdots, three dots, centeredO and O-Hcdots, three dots, centeredN hydrogen bonds from the water mol-ecule and a C-Hcdots, three dots, centeredO contact from the organic mol-ecule. The compound adopts an E conformation with respect to the azomethine bond and the dihedral angle between the pyridine and benzene rings is 21.90 (7) degrees . The azomethine bond [1.275 (2) A] distance is very close to the formal C=N bond length, which confirms the azomethine bond formation. An extensive set of O-Hcdots, three dots, centeredO, O-Hcdots, three dots, centeredN, N-Hcdots, three dots, centeredO and C-Hcdots, three dots, centeredO hydrogen bonds builds a two-dimensional network progressing along the c axis.
Descriptors
Links
Book Title
Database
Publisher
Data Source
Authors
Datta,R., Ramya,V., Sithambaresan,M., Kurup,M.R.
Original/Translated Title
URL
Date of Electronic
20150103
PMCID
PMC4384571
Editors
Polydimethylsiloxane/metal-organic frameworks coated fiber for solid-phase microextraction of polycyclic aromatic hydrocarbons in river and lake water samples 2014 Department of Chemistry, College of Science, Agricultural University of Hebei, Baoding 071001, China.; Department of Chemistry, College of Science, Agricultural University of Hebei, Baoding 071001, China.; Department of Chemistry, College of Science, Agri
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Talanta
Periodical, Abbrev.
Talanta
Pub Date Free Form
Nov
Volume
129
Issue
Start Page
600
Other Pages
605
Notes
CI: Copyright (c) 2014; JID: 2984816R; 0 (Dimethylpolysiloxanes); 0 (Ligands); 0 (Metals); 0 (Organic Chemicals); 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Salts); 0 (Water Pollutants, Chemical); 059QF0KO0R (Water); 63148-62-9 (baysilon); OTO: NOTNLM; 201
Place of Publication
Netherlands
ISSN/ISBN
1873-3573; 0039-9140
Accession Number
PMID: 25127639
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.talanta.2014.06.013 [doi]
Output Language
Unknown(0)
PMID
25127639
Abstract
In this study, polydimethylsiloxane/metal-organic frameworks (PDMS/MOFs), including PDMS/MIL-101 and PDMS/MOF-199, were immobilized onto a stainless steel wire through sol-gel technique as solid-phase microextraction (SPME) fiber coating. The prepared fibers were used for the extraction of some polycyclic aromatic hydrocarbons (PAHs) from water samples prior to gas chromatography-mass spectrometry (GC-MS) analysis. Under the optimized experiment conditions, the PDMS/MIL-101 coated fiber exhibited higher extraction efficiency towards PAHs than that of PDMS/MOF-199. Several parameters affecting the extraction of PAHs by SPME with PDMS/MIL-101 fiber, including the extraction temperature, extraction time, sample volume, salt addition and desorption conditions, were investigated. The limits of detection (LODs) were less than 4.0 ng L(-1) and the linearity was observed in the range from 0.01 to 2.0 microg L(-1) with the correlation coefficients (r) ranging from 0.9940 to 0.9986. The recoveries of the method for the PAHs from water samples at spiking levels of 0.05 and 0.2 microg L(-1) ranged from 78.2% to 110.3%. Single fiber repeatability and fiber-to-fiber reproducibility were less than 9.3% and 13.8%, respectively.
Descriptors
Links
Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Zhang,G., Zang,X., Li,Z., Wang,C., Wang,Z.
Original/Translated Title
URL
Date of Electronic
20140617
PMCID
Editors
Extraction and enrichment of polycyclic aromatic hydrocarbons by ordered mesoporous carbon reinforced hollow fiber liquid-phase microextraction 2015 Department of Chemistry, College of Science, Agricultural University of Hebei, Baoding, China.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of separation science
Periodical, Abbrev.
J.Sep.Sci.
Pub Date Free Form
Feb
Volume
38
Issue
4
Start Page
683
Other Pages
689
Notes
CI: (c) 2015; JID: 101088554; OTO: NOTNLM; 2014/10/01 [received]; 2014/11/29 [revised]; 2014/12/08 [accepted]; ppublish
Place of Publication
Germany
ISSN/ISBN
1615-9314; 1615-9306
Accession Number
PMID: 25565655
Language
eng
SubFile
Journal Article
DOI
10.1002/jssc.201401071 [doi]
Output Language
Unknown(0)
PMID
25565655
Abstract
A novel microextraction method, ordered mesoporous carbon reinforced hollow fiber liquid-phase microextraction coupled with high-performance liquid chromatography and fluorescence detection, was developed for the determination of some organic pollutants in water samples. Four polycyclic aromatic hydrocarbons (fluorene, anthracene, fluoranthene, and pyrene) were selected to validate this new method. Main parameters that could influence the extraction efficiency such as extraction time, fiber length, stirring rate, the type of the extraction solvent, pH value, the concentration of ordered mesoporous carbon, and salt effect were optimized. Under the optimal extraction conditions, good linearity was observed in the range of 2-1000 ng/L, with the correlation coefficients of 0.9954-0.9986. The recoveries for the spiked samples were in the range of 88.96-100.17%. The limits of detection of the method were 0.4-4 ng/L. The relative standard deviations varied from 4.2-5.9%. The results demonstrated that the newly developed method was an efficient pretreatment and enrichment procedure for the determination of polycyclic aromatic hydrocarbons in environmental water samples.
Descriptors
Links
Book Title
Database
Publisher
WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Data Source
Authors
Liu,L., Zhou,X., Wang,C., Wu,Q., Wang,Z.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors