Redistribution of Pb, Zn and Cu Fractions in Tailing Soils Treated with Different Extractants

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<正>The efficiency of EDTA, HNO3 and CaCl2 as extractants to remove Pb, Zn and Cu from tailing soils without varying soil pH was investigated with distributions of Pb, Zn and Cu being determined before and after extraction using the sequential extrac
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