| 微波辅助萃取-气相色谱测定土壤中多氯联苯 |
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| 引用本文： | 邵超英,张琢,施伟华,温晓华,何中发.微波辅助萃取-气相色谱测定土壤中多氯联苯[J].分析试验室,2009,28(9). |
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| 作者姓名： | 邵超英 张琢 施伟华 温晓华 何中发 |
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| 作者单位： | 1. 东华大学化学化工与生物工程学院,上海,201620
2. 国土资源部上海资源环境监督检测中心,上海,200072 |
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| 基金项目： | 上海市房屋土地资源管理局 |
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| 摘 要： | 建立了微波辅助萃取-气相色谱-微电子捕获检测土壤样品中6种多氯联苯(pcb28, pcb52, pcb101, pcb138, pcb153和pcb180)的方法. 确定了以V(20 mL丙酮):V(正己烷)＝1:1混合溶剂作萃取剂, 萃取温度110 ℃, 仪器功率800 W, 微波萃取5 min的样品前处理条件, 并用柱温程序优化了GC-μECD分析条件. 方法的检出限为0.027～0.087 ng/g; 相对标准偏差为3.4%～7.6% (n=6); 加标平均回收率79.8%～91.1%. 可用于土壤环境中多氯联苯的监测分析.
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| 关 键 词： | 气相色谱 微波萃取 多氯联苯 土壤 |
Determination of the polychlorinated biphenyls in soil by microwave assisted extraction and gas chromatography |
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| SHAO Chao-ying,ZHANG Zhuo,SHI Wei-hua,WEN Xiao-hua,HE Zhong-fa.Determination of the polychlorinated biphenyls in soil by microwave assisted extraction and gas chromatography[J].Chinese Journal of Analysis Laboratory,2009,28(9). |
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| Authors: | SHAO Chao-ying ZHANG Zhuo SHI Wei-hua WEN Xiao-hua HE Zhong-fa |
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| Institution: | 1.College of Chemistry;Chemical Engineering and Biotechnology;Donghua University;Shanghai 201620;2.Shanghai Resources Environment Supervision and Inspection Center;Ministry of Land and Resources;Shanghai 200072 |
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| Abstract: | |
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| Keywords: | Gas chromatography Microwave assisted extraction Polychlorinated biphenyls Soil |
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