Polyurethane-based cation exchange composite membranes: Preparation, characterization and its application in development of ion-selective electrode for detection of copper(II)

다국어 초록 (Multilingual Abstract)

Polyurethane-cerium(IV) phosphate composite cation exchange membranes were prepared by solutioncasting method in different stoicheometric ratios of polyurethane and cerium(IV) phosphate. Thestructure and morphology of the prepared membranes were ascertained by FTIR, SEM, TGA and DTA. Themembrane having composition 1:2 (PU: cerium(IV) phosphate) shows best results for ion-exchangecapacity, water content, porosity, thickness and swelling. The Cu(II) selective electrode was developed byusing this membrane for the determination of Cu(II) in solutions. The accuracy of the procedure has beentested on drinking water samples spiked with known amounts of Cu(II) and results were comparable tothose generated by Atomic Absorption Spectrophotometer.

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