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In this study, Pb, Cd, and Zn as heavy metal compounds were extracted from the sandy-loam soil; the soil was prepared synthetically inside the laboratory and also taken from the field by using EDTA and NTA as the chelating agents. By using EDTA 0.1M to extract the contaminants from the synthetically contaminated soil with single metal concentration of 500mg/kg, the efficiency of extracting Pb, Cd,...
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