Determination of Heavy Metal Concentrations in Water Samples Obtained From Lake Afdera, Upper and Lower Dobi Areas, Afar Regional State, Ethiopia
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 12
Abstract
Heavy metals are environmentally stable, toxic and tend to accumulate in human beings causing chronic adverse effects on human health. This study was aimed to determine the level of six heavy metal contents in water samples. These water samples were taken from Lake Afdera, lower and upper Dobi (Elidar District) groundwater sites of Afar regional state, Ethiopia. For this study, eight water samples were collected from each three locations. Samples were mixed and one representative sample was taken from each site. All the samples were analyzed for six heavy metals namely; Pb, Cu, Mn, Ni, Zn and Cd, using standard procedures and inductively coupled plasma optical emission spectrometer (ICP-OES).The heavy metals concentrations in the Lake water and groundwater samples of Lake Afdera and upper Dobi (Elidar District) sites decreased in the sequence: Ni>Cu>Mn>Pb and for lower Dobi (Elidar District) site Ni>Mn>Cu>Pb respectively. From the results, Nickel was recorded with the highest mean value of 1.99 mg/L from upper Dobi (Elidar District) site, Lead concentration with mean value of 0.017 mg/L was found to be the lowest from lower Dobi (Elidar District) site, while concentrations of Zinc and Cadmium were found below method of detection limits. The results were compared within the permissible limit of world health organization standards.
Authors and Affiliations
Hintsa Gebregiorgies
Keywords
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- EP ID EP431718
- DOI 10.9790/5736-1112015561.
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