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Ezgi Akceylan,Aydan Yilmaz,Mustafa Yilmaz 한국고분자학회 2013 Macromolecular Research Vol.21 No.10
The article describes the synthesis and extraction properties of three new diamide substituted calix[4]arene based polymers (3a, 4a, and 5a). The examination of their recognition abilities towards some selected oxyanions shows that the new calix[4]arene polymers are more effective receptors than their amide derivatives for dichromate anions and nitrite. It has been observed that receptor 4a is a better extractant for dichromate and nitrite anions at low pH.