Abstract
The Atomic Absorption Spectrophotometry was Used to Determine the Heavy Metal Cadmium(Cd), Copper(Cu), Lead(Pb) and Zinc(Zn) Content in 4 Kinds Fish from the Upstream, Midstream and Downstream in the Huan River,which were Saurogobio Dabryi, Misgurnus Anguillicaudatus, Cobitis Sinesis and Parabotia Fasciata Dabry. the Correlation of Heavy Metal was Researched. the Potential Ecological Risk of Heavy Metal in Fish were Investigated. the Results from Single Factor Pollution Index Implied that the Level of Cd and Pb were much Higher than the Food Hygiene Standards, Cu and Zn was also Light Polluted, the Order is：Pb >Cd> Zn> Cu. Saurogobio Dabryi and Misgurnus Anguillicaudatus are more Likely to Enrich Heavy Metals than other Fishes, and their Endurance for Heavy Metals are Stronger. it Revealed that Heavy Metals Accumulation in Roe was Higher Magnitude than Muscle. Comprehensive Pollution Index Showed that the Huan River had a Serious Heavy Metals Pollution.Edible Safety Hazard is Existed in Fishes in Huan River, which were Not Suitable for Food Directly, and the Relevant Government Departments should Pay Attention to it .
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