STUDY OF SOME CONCENTRATIONS OF HEAVY METALS IN DRINKING WATER IN AL-DIWANEYAH GOVERNORATEOAD MANHER ALKAM, LUJAIN IBRAHIM HUSSAIN AND AHMED DCHEAD AUDAAbstract The study was conducted to identify some heavy elements in water before and after purification devices in some areas of the governorate. The study included 8 areas and was done for two months. The studied elements were Fe, Cu, Zn, Ni and Pb. The highest value of Zn was 25 μg/L in Al-Saniyah area and the lowest value was 1.5 μg/L in Al-Eroba. As for Fe the highest value was in Al- Jazar 11.8 μg/L and the lowest value was 3 in Al-Eroba, whereas Ni was the highest value of 1.7 mg /L in Al-Erobaand the lowest value was 0.9 μg/L in Al-Furat. For Cu the highest was 30 μg /L in Al- Saniyah while the lowest was 18.6 μg/L in AL-Furat. There were no significant changes in the values of concentrations of heavy elements in samples before and after the household decontamination equipment. As for the physical and chemical properties studied, all samples showed that they conformed to the Iraqi drinking standards with a decrease in the values of these qualities in the water studied after purification.
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