5-Bromo-2,9-bis(5,6-diphenyl-1,2,4-triazin-3-yl)-1,10-phenanthrolin as an efficient ligand for selective removal of strontium and cobalt from aqueous solution
Jang, J., Harwood, L. Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1002/bkcs.11706 Abstract/SummaryIn this study, 5-bromo-2,9-bis(5,6-diphenyl-1,2,4-triazin-3-yl)-1,10-phenanthroline (5-bromo-Ph4-BTPhen) was synthesized and evaluated for its ability to remove major radionuclides (Cs+,Sr2+,andCo2+). The synthesized ligand removed both Sr2+and Co2+from 1 mg/L aqueous solutions with extrac-tion efficiencies of up to 99% at neutral and alkaline pH. The Sr2+and Co2+removal efficienciesdecreased as a consequence of the higher bonding strengths of competing metal ions to the N-donoratoms in the cavity of the ligand; competing divalent ions affected the Sr2+and Co2+removal efficien-cies more than monovalent ions.
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