The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
High-Stability Ionic Liquids. A New Class of Stationary Phases for Gas Chromatography
Abstract
Room-temperature ionic liquids are a class of non-molecular ionic solvents with low melting points. Their properties have the potential to be especially useful as stationary phases in gas-liquid chromatography (GLC). A series of common ionic liquids were evaluated as GLC stationary phases. It was found that many of these ionic liquids suffer from low thermal stability and possess unfavorable retention behavior for some classes of molecules. Two new ionic liquids were engineered and synthesized to overcome these drawbacks. The two new ionic liquids (1-benzyl-3-methylimidazolium trifluoromethanesulfonate and 1-(4-methoxyphenyl)-3-methylimidazolium trifluoromethanesulfonate) are based on "bulky" imidazolium cations with trifluoromethanesulfonate anions. Their solvation characteristics were evaluated using the Abraham solvation parameter model and correlations made between the structure of the cation and the degree to which the ionic liquids retain certain analytes. The new ionic liquids have good thermal stability up to 260 degrees C, provide symmetrical peak shapes, and because of their broad range of solvation-type interactions, exhibit dual-nature selectivity behavior. In addition, the ionic liquid stationary phases provided different retention behavior for many analytes compared to a commercial methylphenyl polysiloxane GLC stationary phase. This difference in selectivity is due to the unique solvation characteristics of the ionic liquids and makes them very useful as dualnature GLC stationary phases.
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Citations
Cites
Influence of chloride, water, and organic solvents on the physical properties of ionic liquids
Seddon, K. R., Stark, A., & Torres, M.-J. (2000) · Pure and Applied Chemistry · doi:10.1351/pac200072122275 · Cited by 2,293
Air and water stable 1-ethyl-3-methylimidazolium based ionic liquids
Wilkes, J. S., & Zaworotko, M. J. (1992) · Journal of the Chemical Society, Chemical Communications · doi:10.1039/c39920000965 · Cited by 1,883
Cited by
Ionic liquids and catalysis: Recent progress from knowledge to applications
Olivier-Bourbigou, H., Magna, L., & Morvan, D. (2010) · Applied Catalysis A: General · doi:10.1016/j.apcata.2009.10.008 · Cited by 1,639
Ionic liquid thermal stabilities: decomposition mechanisms and analysis tools
Maton, C., De Vos, N., & Stevens, C. V. (2013) · Chemical Society Reviews · doi:10.1039/c3cs60071h · Cited by 889
Density and viscosity of several pure and water-saturated ionic liquids
Jacquemin, J., Husson, P., Padua, A. A. H., & Majer, V. (2006) · Green Chem. · doi:10.1039/b513231b · Cited by 847
Ionic liquids in analytical chemistry
Sun, P., & Armstrong, D. W. (2010) · Analytica Chimica Acta · doi:10.1016/j.aca.2009.12.007 · Cited by 727
Self-citationApplication of ionic liquids in analytical chemistry
Liu, J.-F., Jiang, G.-B., Liu, J.-F., & Jönsson, J. Å. (2005) · TrAC Trends in Analytical Chemistry · doi:10.1016/j.trac.2004.09.005 · Cited by 600
Metadata
- Authors
- Anderson, J. L., & Armstrong, D. W.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-08-12
- Volume
- 75
- Issue
- 18
- Pages
- 4851-4858
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2008459197
- Cited by
- 467
- References
- 2
- FWCI
- 7.57
- Type
- journal article
- Language
- en
- Open access
- closed
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