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环境化学  2015 

DOI:10.7524/j.issn.0254-6108.2014.04.007

Keywords: 浸入式固相微萃取,超声提取,气相色谱-质谱,土壤,有机氯

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Abstract:

建立了超声提取辅助浸入式固相微萃取-气相色谱/质谱(DI-SPME-GC/MS)方法快速检测土壤中有机氯农残的新方法.该方法可实现分离、富集和进样一体化,减少样品前处理步骤.实验优化了DI-SPME的萃取条件、超声提取条件及GC/MS仪器参数.在优化条件下,9种OCPs在实验浓度范围(20—500ng·g-1)内,线性关系良好,R2为0.9899—0.9987,方法检出限在0.67—1.76ng·g-1,加标回收率在80.2%—117.1%,相对标准偏差(n=6)为10.0%—12.0%.结果表明该方法是一种简便快速、绿色环保的分析土壤中OCPs农残的方法.

References

[1]  Loi R X, Solar M C, Weidenhamer J D. Solid-phase microextraction method for In vivo measurement of allelochemical uptake[J]. J Chem Ecol, 2008, 34: 70-75
[2]  Lord H L, Mder M, Popp P, et al. In vivo study of triazine herbicides in plants by SPME[J]. Analyst, 2004, 129: 107-108
[3]  Ouyang G F, Vuckovic D, Pawliszyn J. Nondestructive sampling of living systems using In vivo solid-phase microextraction[J]. Chemical Reviews, 2011, 111: 2784-2814
[4]  Chang S M, Doong R A. Concentration and fate of persistent organochlorine pesticides in estuarine sediments using headspace solid-phase microextraction[J]. Chemosphere, 2006, 62(23): 1869-1878
[5]  Concha-Graa E, Fernández-González V, Grueiro-Noche G, et al. Development of an environmental friendly method for the analysis of organochlorine pesticides in sediments[J]. Chemosphere, 2010, 79(52): 698-705
[6]  Fernandez-Alvarez M, Llompart M, Pablo Lamas J, et al. Simultaneous determination of traces of pyrethroids, organochlorines and other main plant protection agents in agricultural soils by headspace solid-phase microextraction-gas chromatography[J]. Journal of Chromatography A, 2008, 1188(80): 154-163
[7]  Ouyang GF, Zhao W N, Alaee M, et al. Time-weighted average water sampling with a diffusion-based solid-phase microextraction device[J]. Journal of Chromatography A, 2007, 1138: 42-46
[8]  Zhu F, Ruan W H, He M H, et al. Application of solid-phase microextraction for the determination of organophosphorus pesticides in textiles by gas chromatography with mass spectrometry[J]. Analytica Chimica Acta, 2009, 650: 202-206
[9]  Qu W Y, Suri R P S, Bi X H, et al. Exposure of young mothers and newborns to organochlorine pesticides (OCPs) in Guangzhou, China[J]. Science of the Total Environment, 2010, 408: 3133-3138
[10]  Wang W T, Meng B J, Lu X X, et al. Extraction of polycyclic aromatic hydrocarbons and organochlorine pesticides from soils: A comparison between Soxhlet extraction, microwave-assisted extraction and accelerated solvent extraction techniques[J]. Analytica Chimica Acta, 2007, 602: 211-222
[11]  段晓勇, 李先国, 李艳霞, 等. 超声辅助碱解消除沉积物样品多氯联苯检测中有机氯农药的干扰[J]. 环境化学, 2012,31(10): 1645-1651
[12]  Ozcan S, Tor A, Aydin M E. Application of miniaturised ultrasonic extraction to the analysis of organochlorine pesticides in soil[J]. Analytica Chimica Acta, 2009, 640: 52-57
[13]  吴金浩, 李爱, 刘桂英, 等. 微波辅助萃取-气相色谱法检测裙带菜中的多氯联苯和有机氯农药残留[J]. 环境化学, 2013,32(1): 156-161
[14]  Hussen A, Westbom R, Megersa N, et al. Selective pressurized liquid extraction for multi-residue analysis of organochlorine pesticides in soil[J]. Journal of Chromatography A, 2007, 1152: 247-253
[15]  Westbom R, Hussen A, Megersa N, et al. Assessment of organochlorine pesticide pollution in Upper Awash Ethiopian state farm soils using selective pressurised liquid extraction[J]. Chemosphere, 2008, 72: 1181-1187
[16]  Popiel S, Sankowska M. Determination of chemical warfare agents and related compounds in environmental samples by solid-phase microextraction with gas chromatography[J]. Journal of Chromatography A, 2011, 1218: 8457-8479
[17]  Ishizaki A, Saito K, Hanioka N, et al. Determination of polycyclic aromatic hydrocarbons in food samples by automated on-line in-tube solid-phase microextraction coupled with high-performance liquid chromatography-fluorescence detection[J]. Journal of Chromatography A, 2010, 1217: 5555-5563
[18]  Moreno D V, Ferrera Z S, Rodrguez J J S. Microwave assisted micellar extraction coupled with solid phase microextraction for the determination of organochlorine pesticides in soil samples[J]. Analytica Chimica Acta, 2006, 571: 51-57
[19]  Tor A, Aydin M E, Ozcan S. Ultrasonic solvent extraction of organochlorine pesticides from soil[J]. Analytica Chimica Acta, 2006, 559: 173-180

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