Ion-exchange as a mode of cation transfer into room-temperature ionic liquids containing crown ethers : implications for the "greenness" of ionic liquids as diluents in liquid-liquid extraction.
The transfer of strontium ion from acidic nitrate media into a series of 1-alkyl-3-methylimidazolium-based room-temperature ionic liquids containing dicyclohexano-18-crown-6 is shown to proceed via cation-exchange, in contrast to conventional solvents such as alkan-1-ols, in which extraction of a strontium nitrato-crown ether complex is observed.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 949293
- Report Number(s):
- ANL/CHM/JA-39676; TRN: US1003473
- Journal Information:
- Chem. Commun., Vol. 20, Issue Oct. 15, 2001
- Country of Publication:
- United States
- Language:
- ENGLISH
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