| Title: | Stable carbon isotope analysis of selected halocarbons at parts per trillion concentration in an urban location |
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| Authors: | Mead, M Iqbal (Author)
Khan, M Anwar H (Author)
Bull, Ian D (Author)
White, Iain R (Author)
Nickless, Graham (Author)
Shallcross, Dudley E (Author) |
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| Files: | This document has no files. This document may have a phisical copy in the library of the organization, check the status via COBISS.  |
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| Language: | English |
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| Work type: | Not categorized (r6) |
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| Tipology: | 1.01 - Original Scientific Article |
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| Organization: | UNG - University of Nova Gorica |
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| Abstract: | ∂13C values of a suite of halocarbons have been determined in an urban background site in Bristol, UK. A novel mobile preconcentration system, based on the use of multi-adsorbent sample tubes, has been developed for trapping relatively large-volume air samples in potentially remote areas. An Adsorption Desorption System-Gas Chromatography-Electron Capture Detector was used to measure the mixing ratios of the selected halocarbon species, while a Gas ChromatographyCombustionIsotope Ratio Mass Spectrometer was used to determine ∂13C values. For the species with strong local sources, the variation of isotope ratios has been observed over the experimental period. Some of the results reported in the present study differ from previously reported values and reasons for this are discussed. The reporting of different ∂13C values for selected halocarbons from different areas in the present study suggests that ∂13C values may be used to determine the relative magnitudes of anthropogenic and biogenic sources. |
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| Keywords: | Adsorption Desorption System (ADS), Automated Thermal Desorber (ATD), Electron Capture Detector (ECD), Gas Chromatography (GC), Isotope Ratio Mass Spectrometry (IRMS) |
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| Year of publishing: | 2008 |
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| Number of pages: | 340-346 |
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| Numbering: | 5, 5 |
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| COBISS_ID: | 5416699 |
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| URN: | URN:SI:UNG:REP:G9JNHNX7 |
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| DOI: | 10.1071/EN08037 |
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| Views: | 1786 |
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| Downloads: | 0 |
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| Categories: | Document is not linked to any category. |
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