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Reversed Phase Partition Chromatographic Separation of Gd(III) From Hippuric Acid on Poly[Dibenzo-18-Crown-6]

Author(s): KR Mahanwar

Journal: Chemical Sciences Journal
ISSN 2150-3494

Volume: 2011;
Start page: CSJ;
Date: 2011;
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Keywords: Gd(III) | poly[dibenzo18-crown-6] | hippuric acid | sorption | separation

A simple method has been developed for the separation of Gd(III) in hippuric acid medium by using poly[dibenzo-18-crown-6]as stationary phase. The effect of hippuric acid concentration, different eluting agent, foreign ions etc. was studied and theoptimum conditions were established. Breakthrough capacity of poly[dibenzo-18-crown-6] for Gd(III) was found to be0.572±0.01 mmol/g of crown polymer. The separation of Gd(III) from other elements in multicomponent mixtures has beenachieved. The method was extended for determination of Gd(III) in real sample. The method is simple, rapid and selective withgood reproducibility (approximately ±2%).
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