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Crown Ethers Assisted Cesium Extraction from Aqueous Solutions into a Hydrophobic Room Temperature Ionic Liquid 1-Butyl-3-methylimidazolium Bis [ ( trifluoromethyl ) sulfonyl ] imide
| Content Provider | Semantic Scholar |
|---|---|
| Author | Vendilo, Аndrey G. Chistov, Vyacheslav Dikareva, Julia Popov, Кonstantin I. |
| Copyright Year | 2015 |
| Abstract | Crown ethers (L) assisted extraction of CsI from aqueous neutral solutions (рН 5-6) into a hydrophobic ionic liquid 1-butyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide was studied at 22 оС operating with: 12-crown-4 (12С4), 15-crown-5 (15С5), 18-crown-6 (18С6), dibenzo-18-crown-6 (DB18C6), dibenzo-21-crown-7 (DB21C7) and dibenzo-24-crown-8 (DB24C8). The distribution coefficients (logDCs) are found to increase from 0.30 до 1.7 as the size of L is changing from 15С5 to DB21C7. A further increase of L size (DB24C8) leads to a sufficient decrease of logDCs up to 0.9. The maximal logDCs value corresponds to the better cation–crown ether fitting. Well expressed correlation between logDCs values and stability constants of CsL in ionic liquid (logKCsL) is obtained and is interpreted for the crown ether series. |
| File Format | PDF HTM / HTML |
| DOI | 10.6060/mhc141242p |
| Alternate Webpage(s) | https://macroheterocycles.isuct.ru/en/system/files/mhc141242p_0.pdf |
| Alternate Webpage(s) | https://doi.org/10.6060/mhc141242p |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |