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Gas Chromatography-Optical Fiber Detector for the Speciation of Aromatic Hydrocarbons in Confined Areas

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Abstract

An analytical method, based on separation with gas chromatography (GC) and detection with optical fiber (OF), was used for the separation, detection and quantification of benzene, toluene, ethylbenzene, p-xylene, m-xylene and o-xylene. The use of OF as a detector is based on the variations of the reflected optical power detected when the aromatic compounds eluted from the GC column are sorbed in a thin polymeric film on a single-mode OF. General figures of merit, such as the analytical time, analytical error and analytical performance of GC-OF were similar to those of the classical analytical methods, such as a gas chromatography–flame ionization detector (GC-FID). However, the developed GC-OF method constitutes a much less expensive alternative for the speciation of aromatic hydrocarbons compounds, with high accuracy, and being most suitable for actual monitoring work on confined environments.

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Authors and Affiliations

  1. ISEIT/VISEU–Instituto Piaget, Estrada do Alto do Gaio, Galifonge, 3515-776, Viseu, Lordosa, Portugal

    Lurdes I. B. Silva & Teresa A. P. Rocha-Santos

  2. CESAM & Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal

    Lurdes I. B. Silva & A. C. Duarte

Authors
  1. Lurdes I. B. Silva
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  2. Teresa A. P. Rocha-Santos
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  3. A. C. Duarte
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Correspondence to Lurdes I. B. Silva.

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Silva, L.I.B., Rocha-Santos, T.A.P. & Duarte, A.C. Gas Chromatography-Optical Fiber Detector for the Speciation of Aromatic Hydrocarbons in Confined Areas. ANAL. SCI. 24, 963–966 (2008). https://doi.org/10.2116/analsci.24.963

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  • DOI: https://doi.org/10.2116/analsci.24.963

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