Characterization of mixtures by gas chromatography coupled to molecular rotational spectroscopy
Neill, Justin L.
Loading…
Permalink
https://hdl.handle.net/2142/107472
Description
Title
Characterization of mixtures by gas chromatography coupled to molecular rotational spectroscopy
Author(s)
Neill, Justin L.
Contributor(s)
Armstrong, Daniel W.
Wahab, M. Farooq
Thakur, Nimisha
Talebi, Mohsen
Muckle, Matt
Mikhonin, Alex
Issue Date
2020-06-25
Keyword(s)
Spectroscopy as an analytical tool
Abstract
Gas chromatography is a gold-standard technique for analysis of mixtures of volatile compounds, and can be coupled to a range of detectors including many allowing for molecular identification (e.g., mass spectrometry). Recently, we have explored the use of molecular rotational resonance spectroscopy, with its extremely high sensitivity to subtle changes in molecular structure, as a rapid detector for gas chromatography effluents. Results from an initial study\footnote{D.W. Armstrong et al., \textit{Angew. Chem. Int. Ed.} 2020, 59, 192-196} will be presented, where GC-MRR with a 75-110 GHz chirped-pulse millimeter-wave spectrometer was used to identify and quantitate mixtures, including co-eluting isotopologues and isotopomers which could not be resolved by other methods. Challenges for ongoing development, including data collection and interpretation, sensitivity optimization, and the column-spectrometer interface, will also be discussed.
Use this login method if you
don't
have an
@illinois.edu
email address.
(Oops, I do have one)
IDEALS migrated to a new platform on June 23, 2022. If you created
your account prior to this date, you will have to reset your password
using the forgot-password link below.
