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    Uncoated Teflon as Support and Stationary Phase for Liquid/Solid Gas Chromatography

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    The use of Teflon, 30–60 mesh, as a combined support and stationary phase for liquid/solid gas chromatography has been studied. The Teflon columns have separation properties similar to porous polymer supports. They exhibit short retention times at relatively low operating temperatures, durability, and low bleed. The chromatograms suggest that pure Teflon columns are suitable for the separation of hydrocarbons, alcohols, phenols, polychlorinated biphenyls, esters, and free fatty acids as well as for direct aqueous injections, such as the determination of methanol in water.


    water quality, gas chromatography, tetrafluoroethylene resins, environmental tests

    Author Information:

    Kaiser, KLE
    Research Scientist, Environment Canada, Canada Centre for Inland Waters, Burlington, Ontario

    Committee/Subcommittee: D19.95

    DOI: 10.1520/STP39013S