Assessment of Heavy Metals in Rooftop dust around Lake Nakuru Basin, Kenya
Author Affiliations
- 1Department of Chemistry, Egerton University,. P.O. Box 536-20115, Egerton, KENYA
- 2Department of Natural Sciences, Mount Kenya University,. P.O. Box 17273-00200, Nakuru, KENYA
Res.J.chem.sci., Volume 4, Issue (11), Pages 13-17, November,18 (2014)
Abstract
Samples of sedimented dust on roofs from 34 locations within the Lake Nakuru Basin (LNB), Kenya were analyzed for their heavy metals content. The samples were analyzed for Pb, Ni, Zn, Fe and Cr. Statistical analyses were done using SPSS version 11.5 and Microsoft EXCEL spreadsheets. The result of the analysis showed that Iron (Fe) has the highest concentration level followed by Zn, Cr, and Pb with mean values of 0.2 ppm, 5.1 ppm, 16.1 ppm and 0.3 ppm respectively while the concentration of Ni was below the detection limit. The results of the analysis were used to determine spatial dispersal and scale of heavy metals pollution with respect to direction. The results of this study reveal that heavy metals distribution is not significantly different in the various directions of the LNB.
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