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Gas chromatography and diode array detection for the direct measurement of carbon disulfide in challenging matrices

Gras, R, Luong, J and Shellie, RA ORCID: 0000-0002-8470-0893 2017 , 'Gas chromatography and diode array detection for the direct measurement of carbon disulfide in challenging matrices' , Analytical Methods, vol. 9, no. 26 , pp. 3908-3913 , doi: 10.1039/c7ay00392g.

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Abstract

A fast and reliable gas chromatographic technique for the direct measurement of carbon disulfide at the parts-per-billion level is introduced. The analytical approach incorporates temperature-programmed capillary gas chromatography for the fast separation of carbon disulfide using a recently introduced inert 6% cyanopropylphenyl and 94% dimethylpolysiloxane column. A newly commercialized diode array detector was employed for analyte detection. With universal response to organic compounds, a flame ionization detector was incorporated in series with the diode array detector to provide additional analytical information without incurring extra time or analyses. With this approach, a complete analysis is accomplished in less than 5 min. Carbon disulfide is measured directly without the need for pre-concentration or derivatization with a detection limit of 60 μg m−3. A relative precision of less than 5% RSD (n = 10) over a range from 51 pg to 106 ng (on column) of carbon disulfide with a correlation coefficient greater than 0.9993 was obtained.

Item Type: Article
Authors/Creators:Gras, R and Luong, J and Shellie, RA
Keywords: gas chromatography, diode array detection, carbon disulfide
Journal or Publication Title: Analytical Methods
Publisher: Royal Society of Chemistry
ISSN: 1759-9660
DOI / ID Number: 10.1039/c7ay00392g
Copyright Information:

Copyright 2017 The Royal Society of Chemistry

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