摘要
用微波萃取仪、乙腈溶剂提取沉积物中的5种酞酸酯类化合物,萃取溶液经氟罗里硅土小柱净化、氮吹浓缩后用气相色谱-质谱法分析。该方法检出限为0.030 mg/kg,空白样品酞酸酯类加标回收率为72.5%～108.0%,标准偏差小于2%。
Microwave was used to extract five phthalatic acid esters in sediment with acetonitrile solvent.After the purification process by a florisil column the solution was passed to the gas chromatography-mass spectrometry for analysis.The testing was performed with the detection limit 0.030 mg/kg, while in precision testing the relative standard deviations was below 2% with recovery rate staying between 72.5% and 108.0%.
出处
《现代农业科技》
2012年第21期241-241,245,共2页
Modern Agricultural Science and Technology
基金
国家水环境监测技术体系研究与示范(2009ZX07527)
关键词
微波萃取-气质联用法
酞酸酯类化合物
沉积物
测定
microwave extraction GC-MS spectrometry
phthalatic acid esters
sediment
determination
