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Determination of 8 Polychlorinated Biphenyls in Water Samples by Gas Chromatography-Mass Spectrometry
Author(s): LIU Qing-hui, CAO Ban, MA Jun, LI Yun-mu-zi
Pages: 523-
526
Year: 2010
Issue:
5
Journal: Rock and Mineral Analysis
Abstract: 以正己烷为提取剂,对水中PCB15、PCB28、PCB52、PCB101、PCB118、PCB138、PCB153、PCB180共8种多氯联苯(PCBs)单体经液-液提取、浓缩后,采用气相色谱-质谱联用选择离子扫描法测定,8种PCBs单体的检测限均小于2.5ng/L.低浓度PCBs的回收率为88.5%~104.0%,相对标准偏差(RSD,n=5)为3.5%~9.7%;高浓度PCBs的回收率为90....
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