Szukana fraza: [Abstract = "Drying process technique was used to determine the moisture content for all samples at 80\[degrees\]C for 24 hours. Water content ranged between 70 \& 77%. Triplicate samples were evaluated by using Atomic Absorption Spectrophotometer \(AAS\) to find out heavy metals concentration. Oven and Teflon beakers were used to fully digest all solid samples at 120oC for 3 hours. Highest readings of Zn, Ni and Pb were found in the fish bone for the samples collected from both mentioned locations. However, different pattern was noticed for Cu where higher values were found in the tissues for the same samples."]

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