摘要
文章建立了固相萃取(SPE)法-GC-NCI-MS/MS测定水中的8种硝基多环芳烃(Nitro-PAHs)的分析方法。采用固相萃取法对水样进行前处理,二氯甲烷解吸,氮气吹干后甲醇复溶进GC-MS/MS分析,采用MRM模式,有效降低基质干扰,在0.1-10μg/L的浓度范围内,8种硝基多环芳烃的线性相关系数均在0.99%以上,加标(0.5μg/L、2μg/L、5μg/L)回收率在74.2%-93.4%之间,8种硝基多环芳烃的检出限均在0.08μg/L以下,可满足水中硝基多环芳烃的检测要求。
Solid-Phase extraction（SPE） coupled with GC-NCI-MS/MS was developed for the determination of 8 nitro polycyclic aromatic hydrocarbons（Nitro-PAHs） in water samples..The water samples were treated by solid phase extraction method,then dichloromethane（DCM） was usedas the eluent. The collected eluent was concentrated and the obtained extractwas used for GCNCI-MS/MS analysis. The multiple reaction mode（MRM） was used to reduced matrix interference and enhance the sensitivity of the method. The concentration ranged from 0.1 to 10μg/L, linear correlation coefficients of the 8 Nitro-PAHs were all above 0.99. The recovery of the spiked water samples were between 74.2% and 93.4%. The limits of detection of all 8 Nitro-PAHs were under 0.08μg/L. This method can used to detect Nitro-PAHs in water samples.
出处
《生命科学仪器》
2016年第5期57-59,共3页
Life Science Instruments
基金
山东省自然科学基金(ZR2012BQ009)
关键词
硝基多环芳烃
固相萃取
气相色谱
串联质谱
负化学源
多反应监测
Nitro-PAHs
Solid-Phase Extraction
Gas Chromatography
Tandem Mass Spectrometry
Negative Chemical Ionization
Multiple Reaction Monitor
