• assessment of metallic pollution (hg, pb, cd, cu) in water and sediments of fish ponds located in a lowland of the city of daloa

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1401/11/13
    • تاریخ انتشار در تی پی بین: 1401/11/13
    • تعداد بازدید: 116
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس ژورنال: 989360221112

    assessment of metallic pollution (hg, pb, cd, cu) in water and sediments of fish ponds located in a lowland of the city of daloa

    the assessment of metal pollution in water and sediments of four fish ponds located in the city of daloa was determined. for this purpose, water and sediment samples were taken from these ponds for the determination of hg, pb, cd and cu using the atomic absorption spectrophotometer (aas). thus, the results of the analyses show that the water quality of the different fish ponds is influenced by the variation of physico-chemical parameters and that these waters are vulnerable to organic and inorganic pollution.

    furthermore, these results also show that cu (5.039 mg.l-1) and hg (5.191 mg.l-1) are the most accumulated heavy metals in the water of these fish ponds. for the sediments, cu (708.909 mg.kg-1) and pb (1.22 mg.kg-1) are the most accumulated. the order of preferential accumulation of heavy metals in the water of these fish ponds is as follows: [cu]>[hg]>[pb]>[cd]. for sediments, the order of preferential accumulation of heavy metals is as follows: [cu]>[pb]>[hg]>[cd]. these results show that whatever the matrix studied, cu is the most predominant metal. furthermore, the values of the geo accumulation index (igeo) show a high intensity of hg and cu pollution in fishpond sediments. these two heavy metals present dangers and risks of bioaccumulation, due to their presence and high accumulation, for the fish produced in these fishponds.

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