Gas chromatography-vacuum ultraviolet spectroscopy for multiclass pesticide identification

Journal of Chromatography. a
Hui FanKevin A Schug

Abstract

A new vacuum ultraviolet detector for gas chromatography was recently developed and applied to multiclass pesticide identification. VUV detection features full spectral acquisition in a wavelength range of 115-240nm, where virtually all chemical species absorb. VUV absorption spectra of 37 pesticides across different classes were recorded. These pesticides display rich gas phase absorption features across various classes. Even for isomeric compounds, such as hexachlorocyclohexane (HCH) isomers, the VUV absorption spectra are unique and can be easily differentiated. Also demonstrated is the ability to use VUV data analysis software for deconvolution of co-eluting signals. As a universal detector, VUV provides both qualitative and quantitative information. It offers high specificity, sensitivity (pg on-column detection limits), and a fast data acquisition rate, making it a powerful tool for multiclass pesticide screening when combined with gas chromatography.

References

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Nov 4, 2005·Analytical and Bioanalytical Chemistry·A Garrido FrenichT López-López
Jul 1, 2006·Analytical Chemistry·Dimitris G HatzinikolaouJohn C Stavrides
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Citations

Sep 17, 2016·Ecotoxicology and Environmental Safety·Jie LiuGuohua Zhong
Dec 17, 2016·Journal of Separation Science·Changling QiuKevin A Schug
Jan 5, 2020·Analytical and Bioanalytical Chemistry·Zackery R RobersonJohn V Goodpaster
Oct 8, 2017·Journal of Separation Science·Allegra LeghissaKevin A Schug
Dec 3, 2016·Journal of Separation Science·Inês C Santos, Kevin A Schug
Jul 3, 2018·Journal of Chromatography. a·Jinjian ZhengSimon Wang
Apr 14, 2021·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Ruben F KranenburgArian C van Asten
May 12, 2018·Analytical Chemistry·Ronda GrasRobert A Shellie

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