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| 基质固相分散萃取-分散液相微萃取-气相色谱质谱法测定土壤中拟除虫菊酯类农药 | |
| 引用本文： | 成昊,张丽君,张磊,张占恩.基质固相分散萃取-分散液相微萃取-气相色谱质谱法测定土壤中拟除虫菊酯类农药[J].分析化学,2015(1):137-140. |
| 作者姓名： | 成昊 张丽君 张磊 张占恩 |
| 作者单位： | 1. 苏州科技学院环境科学与工程学院,苏州,215009 2. 江苏省环境科学与工程重点实验室,苏州,215009 3. 苏州科技学院环境科学与工程学院，苏州215009; 江苏省环境科学与工程重点实验室，苏州215009 |
| 摘 要： | 建立了基质固相分散萃取-分散液相微萃取-气相色谱质谱法测定土壤中3种拟除虫菊酯农药(胺菊酯、氯菊酯、溴氰菊酯)的分析方法。最佳前处理条件为:0.5 g样品与1.5 g C18固相萃取粉末研磨5 min,混合物以10 m L丙酮洗脱并浓缩至0.4 m L,加入20μL四氯化碳和5 m L超纯水形成乳化,离心破乳后吸取1μL沉积相进GC-MS分析。3种拟除虫菊酯类农药在5~200μg/kg范围内有良好的线性关系(r2≥0.9989),平均加标回收率为86.5%~108.0%,相对标准偏差小于7.8%(n=3),检出限为1.00~1.48μg/kg,可满足土壤中微量拟除虫菊酯类农药的分析。 |
| 关 键 词： | 基质固相分散萃取 分散液相微萃取 气相色谱质谱 拟除虫菊酯 土壤 |
Determination of Three Pyrethroids in Soil by Matrix Solid Phase Dispersion Extraction_Dispersed Liquid Phase Microextraction_Gas Chromatography Mass Spectrometry |
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| CHENG Hao,ZHANG LiJun,ZHANG Lei,ZHANG ZhanEn.Determination of Three Pyrethroids in Soil by Matrix Solid Phase Dispersion Extraction_Dispersed Liquid Phase Microextraction_Gas Chromatography Mass Spectrometry[J].Chinese Journal of Analytical Chemistry,2015(1):137-140. | |
| Authors: | CHENG Hao ZHANG LiJun ZHANG Lei ZHANG ZhanEn |
| Institution: | CHENG Hao;ZHANG Li-Jun;ZHANG Lei;ZHANG Zhan-En;School of Environmental Science and Engineering,Suzhou University of Science and Technology;Key Laboratory of Environmental Science and Engineering of Jiangsu Province; |
| Abstract: | |
| Keywords: | Matrix solid phase dispersion extraction Dispersive liquid_1 iquid microextraction Gas chromatography_mass spectrometry Pyrethroids Soil |
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