The presence of metals in sediment, could have an adverse effect on benthic biota and other organisms in the food chain, but the total concentration of metals in the water are not always positively correlated with the responses that arise...
moreThe presence of metals in sediment, could have an adverse effect on benthic biota and other organisms in the food chain, but the total concentration of metals in the water are not always positively correlated with the responses that arise in biota. Therefore, research on metal distribution and speciation of Pb and Cd conducted in coastal sediments Makssar City in January 2011. Fractionation method used was the method of BCR-three sequential extraction steps that resulted in three fractions, namely acid soluble fraction(acid soluble, F1), easily reducible fraction (reducible, F2), and the fractions were easily oxidized (oxidazible, F3 ). Results showed Pb dominated by fractions 2 and 3, while Cd is dominated by the fraction 1 and 2 at almost all sites. Canal Paotere is the most prone to contamination of both metals, as Pb and Cd in fraction 1 (the most bioavailable) appear high in that area. Keywords : lead (Pb), cadmium (Cd), sediment, speciation, coastal, Makassar City
