Pyrocarbon adsorbents for preconcentration of trace organic compounds from gaseous mediaстатья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Adsorption properties of TG-10 and DG-100 carbon blacks modified with pyrocarbon were studied by gas chromatography in the Henry range. The values of specific surface of these adsorbents differ by an order of magnitude. The data obtained show the possibility of using these adsorbents for preconcentration of a wide range of organic substances. The obtained temperature dependences of retention volumes may be used to optimize the processes of preconcentration and thermal desorption of trace organic compounds from gaseous media.