The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Headspace Solvent Microextraction
Abstract
A hanging microliter drop of 1-octanol is shown to be an excellent preconcentration medium for headspace analysis of volatile compounds in an aqueous matrix by gas chromatography (GC) or gas chromatography/mass spectrometry (GC/MS). Model compounds benzene, toluene, ethylbenzene, and o-xylene (BTEX) are conveniently and rapidly preconcentrated in the microdrop. An internal standard, decane, is present in the organic extracting solvent, and linear calibration curves of relative peak area versus aqueous concentration are obtained for the four model compounds. Detailed kinetic studies reveal that the overall rate of mass transfer is limited by both the aqueous-phase stirring rate and the degree of convection within the organic phase. The very low vapor pressure of 1-octanol results in minimal evaporation of the microdrop during the extraction time. This system represents an inexpensive, convenient, and precise sample cleanup and preconcentration method for the determination of volatile organic compounds at trace levels.
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Citations
Cites
Solvent Microextraction into a Single Drop
Jeannot, M. A., & Cantwell, F. F. (1996) · Analytical Chemistry · doi:10.1021/ac960042z · Cited by 1,282
Self-citation
Cited by
Sarafraz-Yazdi, A., & Amiri, A. (2010) · TrAC Trends in Analytical Chemistry · doi:10.1016/j.trac.2009.10.003 · Cited by 779
Developments in liquid-phase microextraction
Psillakis, E., & Kalogerakis, N. (2003) · TrAC Trends in Analytical Chemistry · doi:10.1016/s0165-9936(03)01007-0 · Cited by 608
Development of deep eutectic solvents applied in extraction and separation
Li, X., & Row, K. H. (2016) · Journal of Separation Science · doi:10.1002/jssc.201600633 · Cited by 455
Dadfarnia, S., & Haji Shabani, A. M. (2010) · Analytica Chimica Acta · doi:10.1016/j.aca.2009.11.022 · Cited by 305
Temperature-controlled ionic liquid dispersive liquid phase micro-extraction
Zhou, Q., Bai, H., Xie, G., & Xiao, J. (2008) · Journal of Chromatography A · doi:10.1016/j.chroma.2007.10.103 · Cited by 303
Metadata
- Authors
- Theis, A. L., Waldack, A. J., Hansen, S. M., & Jeannot, M. A.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-10-30
- Volume
- 73
- Issue
- 23
- Pages
- 5651-5654
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2059601073
- Cited by
- 318
- References
- 1
- FWCI
- 9.80
- Type
- journal article
- Language
- en
- Open access
- closed
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