Arid
DOI10.1080/03067319.2012.708743
Influence of matrix on suitability of four methods for organochlorine pesticide analysis in waters
Concha-Grana, Estefania1; Turnes-Carou, Isabel1; Muniategui-Lorenzo, Soledad1; Lopez-Mahia, Purificacion1,2; Prada-Rodriguez, Dario1,2
通讯作者Muniategui-Lorenzo, Soledad
来源期刊INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
ISSN0306-7319
EISSN1029-0397
出版年2013
卷号93期号:4页码:416-433
英文摘要

The monitoring of organochlorine pesticides has raised a great concern in the last years due to their toxicity (some of them are carcinogenic and endocrine disruptor compounds) and persistence. European Directive 2008/105/EC establishes very restrictive levels for organochlorine pesticides in surface waters. Therefore, simple, fast, highly sensitive and low cost analytical methods are required to detect and quantify these pollutants in water. In the present work, four procedures for extraction and determination are proposed and compared for the analysis of 28 organochlorine pesticides in tap, surface and sea waters. The suitability of each method of analysis was evaluated for each kind of water. The extraction methods proposed were: two solid-phase extraction methods using C18 laminar disk and Oasis HLB cartridges, a solid-phase microextraction procedure using a polydimethylsiloxane/divinylbenzene (PDMS/DVB) fibre, and a micro liquidliquid extraction procedure using ethyl acetate as solvent. Determination of pesticides was performed by large volume on-column injector-gas chromatography-electron capture detection (LVOCI-GC-ECD), splitless-GC-ECD and GC-MS (mass spectrometry). All methods present a good sensitivity with method detection limits lower than 10ngL1, good accuracy with recoveries between 75 and 120% (with some exceptions) and good precision (relative standard deviations <15%), according to the Commission Decision 2002/657/EC criteria. The advantages and disadvantages of each method are discussed in terms of the green chemistry principles, the figures of merit and the matrix effect. This work tries to be a useful guidance for routine and control analysis laboratories.


英文关键词POPs solid-phase extraction solid-phase microextraction micro liquidliquid extraction Green Chemistry
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000316077900005
WOS关键词SOLID-PHASE EXTRACTION ; CHROMATOGRAPHY-MASS-SPECTROMETRY ; LIQUID-LIQUID MICROEXTRACTION ; BAR SORPTIVE EXTRACTION ; GREEN ANALYTICAL-CHEMISTRY ; SAMPLE PREPARATION TECHNIQUES ; SINGLE-DROP MICROEXTRACTION ; GAS-CHROMATOGRAPHY ; RIVER WATER ; AROMATIC-HYDROCARBONS
WOS类目Chemistry, Analytical ; Environmental Sciences
WOS研究方向Chemistry ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/177717
作者单位1.Univ A Coruna, Dept Analyt Chem, E-15071 La Coruna, Spain;
2.Univ A Coruna, Univ Inst Environm, E-15179 Oleiros, A Coruna, Spain
推荐引用方式
GB/T 7714
Concha-Grana, Estefania,Turnes-Carou, Isabel,Muniategui-Lorenzo, Soledad,et al. Influence of matrix on suitability of four methods for organochlorine pesticide analysis in waters[J],2013,93(4):416-433.
APA Concha-Grana, Estefania,Turnes-Carou, Isabel,Muniategui-Lorenzo, Soledad,Lopez-Mahia, Purificacion,&Prada-Rodriguez, Dario.(2013).Influence of matrix on suitability of four methods for organochlorine pesticide analysis in waters.INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY,93(4),416-433.
MLA Concha-Grana, Estefania,et al."Influence of matrix on suitability of four methods for organochlorine pesticide analysis in waters".INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY 93.4(2013):416-433.
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