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Effect of aqueous hydrochloric acid and zwitterionic betaine on the mutual solubility between a protic betainium-based ionic liquid and water

Journal Article · · Journal of Molecular Liquids
 [1];  [2];  [3];  [4];  [3]
  1. Texas A & M Univ., College Station, TX (United States). Cyclotron Inst.; Texas A & M Univ., College Station, TX (United States). Dept. of Nuclear Engineering; NSSC
  2. Texas A & M Univ., College Station, TX (United States). Cyclotron Inst.
  3. Univ. de Strasbourg, Strasbourg (France)
  4. Texas A & M Univ., College Station, TX (United States). Cyclotron Inst., Dept. of Chemistry
The solubility of hydrophobic betainium bis(trifluoromethylsulfonyl)imide ionic liquid in an aqueous phase with controlled acidity has been investigated by a standard liquid–liquid extraction technique. The effect of zwitterionic betaine added into the aqueous phase has also been studied. Quantitative NMR was employed to characterize the distribution behavior of the ionic liquid constituents between the two phases. A mathematical model to describe the ionic liquid solubility in the aqueous phase was developed. Here, this approach was utilized to estimate the conditional solubility product constant of the ionic liquid. The possibility of the transfer of some dissociation products back into the organic phase was investigated.
Research Organization:
Univ. of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
Nuclear Science and Security Consortium
Grant/Contract Number:
NA0003180
OSTI ID:
1496879
Alternate ID(s):
OSTI ID: 1636795
Journal Information:
Journal of Molecular Liquids, Journal Name: Journal of Molecular Liquids Journal Issue: C Vol. 276; ISSN 0167-7322
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

Hydrophobic polymerized ionic liquids for trace metal solid phase extraction: thallium transfer from hydrochloric acid media journal January 2019
Indium and thallium extraction into betainium bis(trifluoromethylsulfonyl)imide ionic liquid from aqueous hydrochloric acid media journal January 2020