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Sorption properties of commercial hematite (α-Fe2O3) for divalent copper ions were studied. This was done with a model solution of copper(II) sulfate additionally containing 400 mg L–1 of sodium sulfate. It was shown that the hematite sample under study is a good sorbent for removal of divalent copper ions from aqueous solutions. The process of Cu2+ sorption is described by the Langmuir equation....
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