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In this paper, the sorption of arsenic onto nanocrystalline magnetite mineral Fe 3 O 4 was studied in a model system. Nanocrystalline magnetite was produced by mechanical activation in a planetary ball mill from natural microcrystalline magnetite. As a consequence of milling, the specific surface area increased from 0.1m 2 /g to 11.9m 2 /g and the surface site concentration...
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