Concentration and Enrichment Factor of Trace Metals in the Coal Electric Power Station Sediments of Kapar, Selangor, Malaysia
The concentrations of trace elements such as Zn, Mn, Cu, Co, Pb, Cr, Fe and Al in the interval of three cm were detected using the Atomic Absorption Spectrometry in three sediment cores at Kapar coastal area, nearby the coal-fired power plant. The range of these metals were 14.0±1.37 - 58.1±4.94 µgg–1 (Zn), 192±13 - 350±23
µgg–1 (Mn), 4.5±0.53 - 12.4±0.79 µgg–1 (Cu), 12.7±0.35 - 40.4±1.08 µgg–1 (Co), 14.5±0.22 - 59.1±0.59 µgg–1 (Pb), 3.5±0.11 - 15.6±0.52 µgg–1 (Cr), 0.84±0.03 - 1.91±0.06% (Fe) and 1.2±0.00 - 5.2±0.01% (Al) in dry weight, where Al is used to normalize these metals in order to calculate the enrichment factors (EF). The EF values obtained were in the range of 0.26 to 1.23 for all metals and not exceeded the ratio of 1 : 3, which indicate that the equilibrium condition was due to the origin of crust material or natural processes. This proves that Kapar coastal was not affected by the contamination of heavy metals neither from the coal-fired power plant operations nor the river discharges.
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