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Wanshan mercury mine is the largest cinnabar deposit in Guizhou, China. Few effective methods had been achieved to remedy Hg heavily contaminated field soils. In this paper, a modified EK method with approaching cathodes (AC-EK) and an I−/I2 lixiviant was described to remedy mercury-contaminated field soils near Wanshan mercury mine. Paddy Soil I and Paddy Soil II were sampled and contained 576.73...
The copper (Cu) distributions and speciation in the surface sediment collected from Nansi Lake (NL) (China) were investigated by chemical and physical fractionation methods. Sediment was first fractionated into four grain size fractions (< 63, 78–163, 163–280, and > 280 μm) in wet condition. Each fraction was then further divided into two density sub-fractions (low and heavy) by flotation in...
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