微波辅助萃取-气相色谱质谱法检测生物体内的多溴联苯醚  

Determination of polybrominated diphenyl ethers in biota by microwave-assisted extraction and gas chromatography-mass spectrometry

作　　者：梁淑轩[1] 李立勇[1] 张国峰[2] 高红霞[1] 姜静[2] 张建生[2] 

机构地区：[1]河北大学化学与环境科学学院河北省分析科学重点实验室,保定071002 [2]保定市环境保护监测站,保定071000

出　　处：《分析试验室》2010年第4期115-118,共4页Chinese Journal of Analysis Laboratory

摘　　要：建立了微波辅助萃取-气相色谱质谱法测定生物样品中的多溴联苯醚(PBDEs)的方法,优化了萃取剂的种类、萃取剂用量、萃取时间等微波萃取条件和GC-MS仪器分析条件。正己烷-丙酮混合溶剂提取后,经实验室自制的多层硅胶柱分离纯化,用气相色谱-质谱进行测定,该方法基质加标回收率在60%～77%之间,相对标准偏差在11%～18%之间,方法的检测限为0.03～0.20ng/g,适用于生物样品中PBDEs的测定。A rapid method for the determination of PBDEs in biota was developed based on gas chromatography-mass spectrometry after microwave-assisted extraction.The experimental conditions of extraction and determination were optimized.Mixture of hexane and acetone (1∶1) was used as the extraction solvent.The laboratory-made silica gel cartridge was used to clean the extract after the extraction.Determination of sample was accomplished using gas chromatography with electron ionization mass spectrometric detection in ...

关 键 词：微波辅助萃取 气相色谱质谱法 多溴联苯醚 

分 类 号：X830.2[环境科学与工程—环境工程]