Abstract
A solid-phase microextraction (SPME) fiber coated with a novel γ-Al2O3 coating has been prepared and used to screen gaseous samples for traces of volatile organic compounds (VOC). The adsorption and desorption characteristics of the new porous layer have been investigated. Results show that it has good thermal stability (to 350 °C), high extraction capacity, a long life-span, and good selectivity for alkanes and esters. Detection limits for VOC in a gaseous matrix, for extraction with the γ-Al2O3-coated fiber then analysis by GC–FID, were less than 0.714 ng L−1.
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Wei, L., Ou, Q., Li, J. et al. Preparation of a Solid-Phase Microextraction Fiber Coated with γ-Al2O3 and Determination of Volatile Organic Compounds in Indoor Air. Chromatographia 59, 601–605 (2004). https://doi.org/10.1365/s10337-004-0258-0
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DOI: https://doi.org/10.1365/s10337-004-0258-0