Issue 20, 2014

First example of diglycolamide-grafted resins: synthesis, characterization, and actinide uptake studies

Abstract

Two diglycolamide (DGA)-functionalized chelating extraction resins were prepared for the first time by grafting onto a silica matrix and were evaluated for their actinide ion uptake behavior. The resins with one and two DGA moieties, termed as resin-I and resin-II, were quite efficient for the actinide ions, particularly the tri- and the tetravalent ions in a way similar to the diglycolamide extractants. The hexavalent UO22+ ion was poorly sorbed onto the resins. The resins were characterized by thermal analysis, while the surface area and surface morphology were analyzed by BET and SEM techniques. Resin-II showed a pre-concentration factor of >100 for Am(III) by elution with 0.01 M EDTA.

Graphical abstract: First example of diglycolamide-grafted resins: synthesis, characterization, and actinide uptake studies

Article information

Article type
Paper
Submitted
28 Jun 2013
Accepted
31 Jan 2014
First published
03 Feb 2014

RSC Adv., 2014,4, 10412-10419

First example of diglycolamide-grafted resins: synthesis, characterization, and actinide uptake studies

P. K. Mohapatra, S. A. Ansari, M. Iqbal, J. Huskens and W. Verboom, RSC Adv., 2014, 4, 10412 DOI: 10.1039/C3RA43280G

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