引用本文:董黎静,戴玄吏,滕加泉,章霖之,余益军,薛银刚.SBSE-TDU-GC/MS法同步测定饮用水源水中16种多溴联苯化合物[J].环境监控与预警,2015,7(5):37-41
DONG Li jing,DAI Xuan li,TENG Jia quan,ZHANG Lin zhi,YU Yi jun,XUE Yin gang.Simultaneous Determination of 16 PBBs in Drinking Source Water by Stir Bar Sorptive Extraction Thermal Desorption Gas Chromatography/Mass Spectrometry[J].Environmental Monitoring and Forewarning,2015,7(5):37-41
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SBSE-TDU-GC/MS法同步测定饮用水源水中16种多溴联苯化合物
董黎静,戴玄吏,滕加泉,章霖之,余益军,薛银刚1,2
1.常州市环境监测中心,江苏 常州 213014;2.江苏新锐环境监测有限公司,江苏 张家港 215600
摘要:
通过对萃取和解吸条件进行优化,实现搅拌棒吸收萃取(SBSE)-热脱附-气相色谱/质谱联用以同时测定饮用水源水中16种多溴联苯单体。此法在2~50 ng/L范围内线性良好,取10 mL水样,搅拌棒吸收萃取1 h后,16种多溴联苯单体的检出限为0.5~1.1 ng/L。对实际水样进行2个质量浓度的加标回收,平均回收率为89.2%~102%。
关键词:  多溴联苯  SBSE搅拌棒吸收萃取  气相色谱/质谱法  饮用水源水
DOI:
分类号:X832;O657.6;O657.7
基金项目:江苏省环境监测科研基金资助项目(1302)
Simultaneous Determination of 16 PBBs in Drinking Source Water by Stir Bar Sorptive Extraction Thermal Desorption Gas Chromatography/Mass Spectrometry
DONG Li jing,DAI Xuan li,TENG Jia quan,ZHANG Lin zhi,YU Yi jun,XUE Yin gang1,2
1.Changzhou Environmental Monitoring Center,Changzhou,Jiangsu 213001,China;2.Jiangsu Xinrui Environmental Monitoring Co.Ltd.,Lianyungang,Jiangsu 215600,China
Abstract:
A total of 16 polybrominated biphenyls (PBBs) in drinking source water were determined by GC/MS with stir bar sorptive extraction (SBSE) and thermal desorption technique.By optimizing the process of extraction and desorption,the results showed good linearity ranging from 2 to 50 ng/L.With the sampling volume of 10 mL and SBSE of 1 h,the detection limits of 16 PBBs were between 0.5 and 1.1 ng/L.The recovery test was carried out by standard addition of two concentrations into actual water samples,and the average recovery rates were in the range of 89.2%~102%.
Key words:  Polybrominated biphenyls  Stir bar sorptive extraction  GC/MS  Drinking source water