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DETERMINATION OF CHLORPYRIFOS AND ITS MAIN DEGRADATION PRODUCT TCP IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION BASED ON SOLIDIFICATION OF FLOATING ORGANIC DROPLET COMBINED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
Xiong, Jianfei1,2,3; Zhou, Guangming3; Guan, Zhuo2; Tang, Xiangyu2; He, Qiang1; Wu, Limin3
Corresponding AuthorQiang He
2014-07-03
Source PublicationJOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES
ISSN1082-6076
Volume37Issue:11Pages:1499-1512
SubtypeArticle
AbstractThis article reports an alternative method for simultaneous extraction and determination of chlorpyrifos and its main degradation product 3,5,6-trichloro-2-pyridinol (TCP) in water samples which involves dispersive liquid-liquid microextraction based on solidification of floating organic droplet followed by high-performance liquid chromatography with ultraviolet detection. Methanol (1.0mL) and 1-dodecanol (70 mu L) were used as the disperser solvent and extraction solvent, respectively. After the floated extraction solvent had solidified in an ice bath, it was dissolved with methanol. Under the optimized conditions, enrichment factors for chlorpyrifos and TCP were 96 and 114, respectively. Linear calibration curves were obtained in the range of 1-50 mu gL (-1), with correlation coefficients (R (2))>0.9955. The limits of detection were 0.12 mu gL (-1) for chlorpyrifos and 0.10 mu g L (-1) for TCP. The recoveries of spiked real water samples ranged between 84.54% and 102.29%, with the relative standard deviation being 0.80-14.03%.
KeywordDispersive Liquid-liquid MicroextractiOn Based On solidificatiOn Of Floating Organic Droplet Chlorpyrifos 1-dodecanol Water Samples High-performance Liquid Chromatography 3 5 6-trichloro-2-pyridinol
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1080/10826076.2012.745146
URL查看原文
WOS Subject ExtendedBiochemistry & Molecular Biology ; Chemistry
Indexed BySCI
WOS KeywordSOLID-PHASE MICROEXTRACTION ; FLAME PHOTOMETRIC DETECTION ; CLOUD POINT EXTRACTION ; GAS-CHROMATOGRAPHY ; ORGANOPHOSPHORUS PESTICIDES ; ORGANOCHLORINE PESTICIDES ; MICELLAR EXTRACTION ; MASS-SPECTROMETRY ; PRECONCENTRATION ; FUNGICIDES
Language英语
WOS SubjectBiochemical Research Methods ; Chemistry, Analytical
WOS IDWOS:000333991500001
Funding OrganizationNational Natural Science Foundation of China(41171372) ; National Key Technology R&D Program of the Ministry of Science and Technology of China(2011BAC09B05) ; "Hundred Talents Program" of the Chinese Academy of Sciences(724) ; Major Special Program of the Ministry of Science and Technology of China(2008ZX07315)
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7571
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400045, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Peoples R China
3.Southwest Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Luminescence & Real Time Anal, Chongqing, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xiong, Jianfei,Zhou, Guangming,Guan, Zhuo,et al. DETERMINATION OF CHLORPYRIFOS AND ITS MAIN DEGRADATION PRODUCT TCP IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION BASED ON SOLIDIFICATION OF FLOATING ORGANIC DROPLET COMBINED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY[J]. JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES,2014,37(11):1499-1512.
APA Xiong, Jianfei,Zhou, Guangming,Guan, Zhuo,Tang, Xiangyu,He, Qiang,&Wu, Limin.(2014).DETERMINATION OF CHLORPYRIFOS AND ITS MAIN DEGRADATION PRODUCT TCP IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION BASED ON SOLIDIFICATION OF FLOATING ORGANIC DROPLET COMBINED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY.JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES,37(11),1499-1512.
MLA Xiong, Jianfei,et al."DETERMINATION OF CHLORPYRIFOS AND ITS MAIN DEGRADATION PRODUCT TCP IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION BASED ON SOLIDIFICATION OF FLOATING ORGANIC DROPLET COMBINED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY".JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES 37.11(2014):1499-1512.
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