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자료유형
학술저널
저자정보
저널정보
한국독성학회 Toxicological Research Toxicological Research Vol.24 No.4
발행연도
2008.12
수록면
297 - 305 (9page)

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초록· 키워드

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This study was carried out to measure the concentration of heavy metals (Pb, Mn, Cr, Cd, Ni, Zn, and Cu) in water and Bolti fish (Tilapia nilotica) samples collected from Rasheed branch of River Nile, north of El-Giza Governorate, Egypt by atomic absorption spectrophotometry. The investigated districts through which the branch passes include El-Manashi, Gezzaya, El Katta, Abo Ghaleb and Wardan. Based on WHO and FAO safety reference standards, the results of the current study showed that water and fish tissues were found to contain heavy metals at significantly variable concentration levels among the investigated districts. They were polluted with respect to all the metals tested at Gezzaya district. However, the levels of analyzed metals in water and fish tissues were found lower than legal limits in other districts. The heavy metals showed differential bioaccumulation in fish tissues of the different districts as the accumulation pattern (as total heavy metal residues) was district dependant as follow: Gezzaya >Wardan > El Katta > Abo Ghaleb > El Manashi.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
RECOMMENDATIONS
ACKNOWLEDGEMENTS
REFERENCES

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