MỐI TƯƠNG QUAN GIỮA HÀM LƯỢNG MỘT SỐ KIM LOẠI NẶNG VỚI KÍCH THƯỚC HẠT TRẦM TÍCH BIỂN
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Abstract
Contents o f four heavy metals including As, Cd, Cr and Pb were determined in 72 coastal sediment samples in the Mekong Delta. Their correlation with sediment particle size in particular Median size (Md) and the Mean has been studied. The research results indicated that, the values o f Md and Mean are closely correlated with the contents o f heavy metals. For powder samples, the correlation was negative. It means when the particle size increases, the contents o f heavy metals decrease. For clay samples, correlation was positive, when the particle size increases, the contents o f heavy metal increase.
Keywords: Heavy metals, sea sediment, correlation, sediment particle size.