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KMID : 1024520060150040379
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Journal of the Environmental Sciences
2006 Volume.15 No. 4 p.379 ~ p.384
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The Characteristics of Metals in the Soil Based on the Sequential Extraction With Increasing PH
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You Sun-Jae
Kim Jong-Gu
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Abstract
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Eight USA soils were used for this study. The purpose of this study is to illustrate the characteristics of metals in the soil based on the sequential extraction with increasing pH. Extracts were analyzed for metals by ICP-MS and for dissolved organic carbon(DOC). As the pH increasing, the DOC extracted in each increment initially decreased and reached the minimum at pH 3 and then increased substantially at higher pH values. According to the pH increasing, the extraction of Ca, Cu, and Zn were illustrated as L type. It was found that there were strong correlation between the extracted Fe and DOC().
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KEYWORD
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Soil, Sequential Extraction, PH, Dissolved organic carbon, Heavy metal
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