[1]王为中,崔世海,闫婷婷,等.磁固相萃取与高效液相色谱联用测定水体中防治白蚁农药残留[J].南京师范大学学报(自然科学版),2016,39(04):0.[doi:10.3969/j.issn.1001-4616.2016.04.022]
　Wang Weizhong,Cui Shihai,Yan Tingting,et al.Combination Technology of Magnetic Solid-Phase Extraction andHigh Performance Liquid Chromatography and Its Application inDetection of Termiticides Residues in Aqueous Solutions[J].Journal of Nanjing Normal University(Natural Science Edition),2016,39(04):0.[doi:10.3969/j.issn.1001-4616.2016.04.022]
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磁固相萃取与高效液相色谱联用测定水体中防治白蚁农药残留()
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《南京师范大学学报》（自然科学版）[ISSN:1001-4616/CN:32-1239/N]

卷:
第39卷
期数:
2016年04期
页码:
0
栏目:
·化学·
出版日期:
2016-12-30

文章信息/Info

Title:
Combination Technology of Magnetic Solid-Phase Extraction andHigh Performance Liquid Chromatography and Its Application inDetection of Termiticides Residues in Aqueous Solutions
文章编号:
1001-4616(2016)04-0132-07
作者:
王为中1; 崔世海2; 闫婷婷2; 倪小璐2; 孙小涵1; 娄大雷1
(1.徐州市白蚁防治所,江苏 徐州 221000)(2.江苏省生物功能材料创新中心,江苏省生物材料重点实验室,南京师范大学化学与材料科学学院,江苏 南京 210023)
Author(s):
Wang Weizhong1; Cui Shihai2; Yan Tingting2; Ni Xiaolu2; Sun Xiaohan1; Lou Dalei1
(1.Xuzhou Termite Control Station,Xuzhou 221000,China)(2.Jiangsu Collaborative Innovation Center of Biomedical Functional Materials,Jiangsu Key Laboratory of BiomedicalMaterials,School of Chemistry and Materials Science,Nanjing Normal University,Nanjing
关键词:
磁固相萃取; 碳包四氧化三铁纳米粒子; 拟除虫菊酯; 有机磷农药; 高效液相色谱
Keywords:
magnetic solid-phase extraction; carbon coated Fe3O4 nanoparticles; Pyrethroid; Organophosphorus pesticide; high performance liquid chromatography
分类号:
O657.7
DOI:
10.3969/j.issn.1001-4616.2016.04.022
文献标志码:
A
摘要:
以FeCl3为铁源,用溶剂热法合成了磁性Fe3O4纳米粒子,再以葡萄糖为碳源,水热法制备了Fe3O4/C纳米复合粒子. 通过透射电镜(TEM)、X-射线衍射(XRD)、红外光谱(FT-IR)和差热-热重(TG-DSC)等分析手段对材料进行了表征. 将材料应用于水体中防治白蚁药物毒死蜱、溴氰菊酯、联苯菊酯的磁固相萃取,考察了材料用量、pH、萃取时间、洗脱溶剂、重复性等条件对萃取效率的影响,在优化的实验条件下,将该方法应用于实际水样的测定,样品的平均加标回收率在82.9%～106.2%,相对标准偏差为2.1%～9.6%,说明该分析方法准确可靠,Fe3O4/C纳米复合粒子与高效液相色谱联用的方法可以测定水体中防治白蚁药物残留.
Abstract:
Fe3O4 nanoparticles were prepared by solvothermal method with FeCl3 as the iron resource. Carbon coated Fe3O4 nanocomposites(Fe3O4/C)were prepared by hydrothermal reaction with the glucose as the carbon resource. The nanoparticles were characterized by transmission electron microscopy(TEM),X-ray diffraction spectra(XRD),Fourier transforminfrared spectra(FT-IR),and thermogravimetry mass-differential scanning calorimetry spectrometry(TG-DSC). The nanomaterial was then applied in the magnetic solid-phase extraction of termiticides in water such as chlorpyrifos,deltamethrin and bifenthrin. Various MSPE parameters were optimized including amount of Fe3O4/C nanoparticles,pH of sample solution,adsorption time,elution solvent and reusability. Good recoveries(82.9%～106.2%)were achieved with the relative standard deviations range from 2.1%～9.6% with the optimal conditions. It is confirmed that the analysis method is accurate and reliable. The combination of Fe3O4/C nanocomposites and the high performance liquid chromatography can be used in the determination of termiticides in water.

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备注/Memo

备注/Memo:
收稿日期:2016-02-03.
基金项目:国家自然科学基金(21177061)、江苏省第四期“333工程”科研项目(BRA2015062)、江苏省自然科学基金(BK20150968).
通讯联系人:王为中,高级经济师,研究方向:药物分析检测. E-mail:wangweizhong2016@sina.com
更新日期/Last Update: 2016-12-31