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ISSN 2063-5346
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A COMPARISON OF THE CONCENTRATIONS OF SOME HEAVY METALS IN SOME WASHED AND UNWASHED FRUITS COLLECTED FROM THE MARKETS OF AL-ZAWIYA CITY

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Abtisam S. Aljarmi , Rania A. Alrwesse , Mabrouka M.Hamzah , Najah Y.Baroud , Ruqayah M. Kasheem
» doi: 10.31838/ecb/2023.12.s1.128

Abstract

This study was conducted to determine the concentration of four heavy metals (Cr, Cu, Ni, , and Pb) in some washed and unwashed fruits namely: Strawberries, Apricot, peache, Apple, and plum collected from Azawia markets. Dry ashing method was used for the digestion of samples. The heavy metals were analyzed using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP – OES). The results obtained showed that the concentrations of heavy metals in washed fruits ranged from 0.036–0.214, 0.571–3.106, 0.071–0.339, and 0.107–0.750 mg/kg for Cr, Cu, Ni, and Pb respectively. In unwashed fruits the concentrations of Cr, Cu, Cr, and Pb ranged from 0.071–0.571, 0.975–3.749, 0.125–0.678, and 0.250–2. 035 mg/kg respectively.. In addition, the mean concentrations of metals in the washed fruits decreases in the following order: Cu > Pb> Ni >Cr and for unwashed fruits decreases in the following order: Cu > Pb> Ni >Cr . The levels of Ni and Cr were all below the permissible limits set by FAO/WHO in washed fruits,While the concentration of lead was higher than the permissible limit in washed and unwashed strawberry fruits and unwashed peaches and apples. The copper concentration level was higher than the permissible limit in all samples.

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