Gas chromatography negative ion chemical ionization mass spectrometry: Application to the detection of alkyl nitrates and halocarbons in the atmosphere

David R. Worton; Graham P. Mills; David E. Oram; William T. Sturges

doi:10.1016/j.chroma.2008.06.019

Gas chromatography negative ion chemical ionization mass spectrometry: Application to the detection of alkyl nitrates and halocarbons in the atmosphere

David R. Worton, Graham P. Mills, David E. Oram, William T. Sturges

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Abstract

Alkyl nitrates and very short-lived halocarbon species are important atmospheric trace gas species that are present in the low to sub parts per trillion concentration range. This presents an analytical challenge for their detection and quantification that requires instrumentation with high sensitivity and selectivity. In this paper, we present a new in situ gas chromatograph negative ion chemical ionization mass spectrometer (GC/NICI-MS) coupled to a non-cryogen sample pre-concentration system. This instrument, with detection limits of

Original language	English
Pages (from-to)	112-119
Number of pages	8
Journal	Journal of Chromatography A
Volume	1201
Issue number	1
DOIs	https://doi.org/10.1016/j.chroma.2008.06.019
Publication status	Published - 1 Aug 2008

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10.1016/j.chroma.2008.06.019

Cite this

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abstract = "Alkyl nitrates and very short-lived halocarbon species are important atmospheric trace gas species that are present in the low to sub parts per trillion concentration range. This presents an analytical challenge for their detection and quantification that requires instrumentation with high sensitivity and selectivity. In this paper, we present a new in situ gas chromatograph negative ion chemical ionization mass spectrometer (GC/NICI-MS) coupled to a non-cryogen sample pre-concentration system. This instrument, with detection limits of ",

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AU - Mills, Graham P.

AU - Oram, David E.

AU - Sturges, William T.

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DO - 10.1016/j.chroma.2008.06.019

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EP - 119

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