26/01/2010 · Water samples from Xikuangshan (China), the world largest antimony (Sb) mine with a Sb mining and smelting history of more than 200 years, were analyzed. These water samples ranged from stream water in the vicinity of the mining and smelting area that received seepage from ore residues to the underground minepit drainage. The concentrations of total Sb, Sb (III) and Sb (V) of the samples .