黄河中下游水体中有机氯农药含量与分布

Yellow River(2009)

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Abstract
为了解黄河中下游水体中有机氯农药的含量、分布规律及其来源,采用电子捕获检测器检测了黄河中下游干支流26个水样。结果表明:水相OCPs的总含量为2.66~109.55 ng/L,其中HCB、DDTs与HCHs的含量较高,分别为0.25~56.83 ng/L、0.06~10.84 ng/L和0.73~48.09 ng/L;支流污染较干流严重。悬浮相OCPs的含量为6.30~698.05ng/g,主要组分DDTs和HCHs的含量分别为2.39~469.28 ng/g和1.30~187.12 ng/g。工业废水和受污染严重支流的汇入、农药的长期使用是黄河中下游有机氯农药污染的主要原因。
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Key words
HCHs,water facies,DDTs,organic chlorine pesticide,the middle and lower Yellow River,suspended phase
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