|
|||||
|
|
Novel Template Sorbents for Separation of Americium(III) from Nitric Acid Solutions: Search of Optimal Ion‐Imitator of AmIII |
|
| Authors: | Vasilii P. Morgalyuk Stepan N. Kalmykov Tat'yana V. Strelkova Eduard E. Nifant'ev |
| Affiliation: | 1. Laboratory of Organophosphorus Compounds, Nesmeyanov Institute of elementorganic compounds of Russian Academy of Sciences, Vavilova st., 28, Moscow 119991, Russia, (phone: +7‐4991359250;2. fax: +7‐4951356549);3. Chemistry Department of Lomonosov Moscow State University, Leninskie Gory, Moscow 119991, Russia (phone: +7‐4959393220) |
| Abstract: | A series of new template sorbents that enable selective and effective sorption of AmIII from 0.5 to 4M HNO3 solutions containing high concentrations of FeIII and ZrIV was synthesized from (ethenyl)(diphenyl)phosphine oxide. LaIII, CeIII, and PrIII were used as template elements imitating the properties of AmIII. The highest efficiency of separation of AmIII from high amounts of FeIII and ZrIV was displayed by the CeIII‐based sorbent. |
| Keywords: | Template sorbents Americium(III) Lanthanides Ionic radius Phosphine oxide Copolymerization |