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chem.lynn

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it is well known that the calixarenes with amide functionalities are effective sorbents for sodium cation. Therefore to comprehend the sorption abilities of C[4]BCP toward sodium cation, it was performed sodium sorption studies under similar conditions. The results show that C[4]BCP is excellent sorbent for sodium cation. Thus, the sorption of dichromate anions simultaneously occurred with sodium cation by C[4]BCP. This result indicated that C[4]BCP was a ditopic sorbent.
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