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Ionic liquids as advantageous solvents for headspace gas chromatography of compounds with low vapor pressure
- Source :
- Analytical Chemistry. Jan 15, 2005, Vol. 77 Issue 2, p698, 4 p.
- Publication Year :
- 2005
-
Abstract
- The potential of ionic liquids as solvents for headspace gas chromatography was investigated. Three compounds with boiling points above 200 [degrees]C were selected to demonstrate the feasibility of the concept described. 2-Ethylhexanoic acid, formamide, and tri-n-butylamine as examples of acidic, neutral, and basic analytes were dissolved in acidic 1-n-butyl-3-methylimidazolium hydrogen sulfate (1), neutral 1-n-butyl-2,3-dimethylimidazolium dicyanamide (2), and 2 containing 1,8-diazabicyclo[5.4.0]undec-7-ene to adjust basic conditions. All analytes could be determined with limits of detection and limits of quantification in the low-ppm concentration range.
- Subjects :
- Ionization -- Research
Gas chromatography -- Research
Chemistry
Subjects
Details
- Language :
- English
- ISSN :
- 00032700
- Volume :
- 77
- Issue :
- 2
- Database :
- Gale General OneFile
- Journal :
- Analytical Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.127977716