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题名:
Metal organic frameworks (MOFs) for magnetic solid-phase extraction of pyrazole/pyrrole pesticides in environmental water samples followed by HPLC-DAD determination
其他题名: Metal organic frameworks (MOFs) for magnetic solid-phase extraction of pyrazole/pyrrole pesticides in environmental water samples followed by HPLC-DAD determination
作者: Ma, Jiping1; Yao, Zhidan1; Hou, Liwei1; Lu, Wenhui2; Yang, Qipeng1; Jinhua LI(李金花)2; Chen, Lingxin2
刊名: TALANTA
ISSN号: 0039-9140
出版日期: 2016-12-01
卷号: 161, 页码:686-692
关键词: Metal-organic frameworks (MOFs) ; Magnetic solid-phase extraction ; Pyrazole ; Pyrrole ; Water samples
学科分类: Chemistry, Analytical
DOI: 10.1016/j.talanta.2016.09.035
产权排序: [Ma, Jiping; Yao, Zhidan; Hou, Liwei; Yang, Qipeng] Qingdao Technol Univ, Sch Environm & Municipal Engn, Qingdao 266033, Peoples R China; [Lu, Wenhui; Li, Jinhua; Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
通讯作者: Ma, JP (reprint author), Qingdao Technol Univ, Sch Environm & Municipal Engn, Qingdao 266033, Peoples R China. ; Chen, LX (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China. Email:majiping2012@163.com ; lxchen@yic.ac.cn
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: Magnetic metal-organic frameworks (MOFs, [MIL-101]) were prepared and used as magnetic solid-phase extraction (MSPE) adsorbents for preconcentration of four kinds of pyrazole/pyrrole pesticides (flusilazole, fipronil, chlorfenapyr, and fenpyroximate) in environmental water samples, followed by high-performance liquid chromatography-diode-array detector (HPLC-DAD) determination. Several variables affecting MSPE efficiency were systematically investigated, including amount of MIL-101, extraction time, sample pH, salt concentration, type of desorption solvent and desorption number of times. Under optimized conditions, excellent linearity was achieved in the range of 5.0-200.0 mu g/L for flusilazole and fipronil, and 2.0-200.0 mu g/L for chlorfenapyr and fenpyroximate, with correlation coefficients r > 0.9911. Limits of detection and quantification were 0.3-1.5 mu g/L and 1.0-5.0 mu g/L, respectively. The intra-day and inter-day precision (relative standard deviation, n=6, %) at three spiked levels were 1.1-5.4% and 3.9-7.8% in terms of peak area, respectively. The method recoveries at three fortified concentration levels ranged from 81.8% to 107.5% for reservoir water samples, 81.0-99.5% for river water samples, and 80.2-106.5% for seawater samples. The developed MOFs based MSPE coupled with HPLC method proved to be a convenient, rapid and eco-friendly alternative to the sensitive determination of pyrazole/pyrrole pesticides with high repeatability and excellent practical applicability.
研究领域[WOS]: Chemistry
项目资助者: National Natural Science Foundation of China(21547002 ; Taishan Scholar Construction Project Special Foundation(2010016010) ; Special Foundation of Central Financial Support to Local Colleges and Universities(201020029) ; 21506109 ; 21275158 ; 21477160)
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ; POLYCYCLIC AROMATIC-HYDROCARBONS ; GAS-CHROMATOGRAPHY ; MICROSPHERES ; FIPRONIL ; MICROEXTRACTION ; NANOPARTICLES ; METHODOLOGY ; SORBENTS ; MIL-101
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000386989500089
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/17484
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Qingdao Technol Univ, Sch Environm & Municipal Engn, Qingdao 266033, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China

Recommended Citation:
Ma, Jiping,Yao, Zhidan,Hou, Liwei,et al. Metal organic frameworks (MOFs) for magnetic solid-phase extraction of pyrazole/pyrrole pesticides in environmental water samples followed by HPLC-DAD determination[J]. TALANTA,2016,161:686-692.
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