青海湖湟鱼(Gymnocypris przewalskii)中PCBs和PCDD/Fs的分析

被引：9

作者：

王璞

王亚韡

李英明

张庆华

江桂斌

机构：

[1] 环境化学与生态毒理学国家重点实验室中国科学院生态环境研究中心

来源：

环境化学 | 2006年 / 06期

关键词：

青海湖; 湟鱼; 多氯联苯; 二噁英;

D O I：

暂无

中图分类号：

X835 [生物监测、生态监测];

学科分类号：

0903 ;

摘要：

应用同位素稀释高分辨气相色谱/高分辨质谱(HRGC/HRMS)分析了青海湖湟鱼体内多氯联苯(PCBs)和二噁英(PCDD/Fs)的含量.发现7—9年龄段湟鱼体内平均PCBs总浓度高达3484.9pg.g-1ww,PCBs的毒性当量为0.41—0.57 pgWHO-TEQ.g-1ww.除了PCB-81以外,其它11种二噁英类PCB都被检出,7种具有指示作用的PCB同系物(PCB-28,52,101,138,153,180)的浓度含量占总PCBs浓度的26%.湟鱼体内二噁英基本上未检出.由于青海湖区基本上没有工业污染源,鱼体内的PCBs可能是长距离迁移沉降和生物富集的结果.

引用

页码：669 / 673

页数：5

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