节点文献
快速固相萃取法测定食品中多种有机磷农药残留
To Detect the Organic Phosphorus Pesticide Residue in Food with Fast Solid Phase Extraction
【摘要】 报道了一种简便、快速的石墨碳固相萃取(SPE)食品中多种有机磷农药残留及测定的方法。采用丙酮浸泡、超声提取食品中的有机磷农药,经石墨碳固相小柱净化萃取后,用气相色谱-火焰光度检测法直接测定,加标回收率在72.0%~107%之间,RSD为6.2%~12.7%,最低检出限可达0.001 mg/kg。
【Abstract】 A simple and fast method to detect the organic phosphorus pesticide residue in food using graphite carbon solid phase extraction was introduced.Sample recovery rate was between 72.0% and 107%.RSD was 6.2%~12.7%.The detection limit was 0.001 mg/kg.
【关键词】 石墨碳固相萃取柱;
气相色谱法;
有机磷农药残留;
食品;
【Key words】 Graphite carbon solid phase extraction column; Gas chromatography; Organic phosphorus pesticide residue; Food;
【Key words】 Graphite carbon solid phase extraction column; Gas chromatography; Organic phosphorus pesticide residue; Food;
- 【文献出处】 环境监测管理与技术 ,The Administration and Technique of Environmental Monitoring , 编辑部邮箱 ,2006年01期
- 【分类号】TS207.3
- 【被引频次】19
- 【下载频次】320