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Mercury (Hg) speciation and mobility were determined in calcines and waste rocks collected from 9 Hg mines in China. Total Hg (THg) concentrations in the mine wastes varied widely in different Hg mines (with a range of 0.369 to 2,620 mg kg−1). Cinnabar is the dominant form of Hg in the mine wastes. However, Hg2+ and Hg0 concentrations in the calcines were significantly higher than these in the waste...
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