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VDI 2100 Blatt 3

Determination of gaseous compounds in ambient air - Determination of indoor air pollutants - Gas chromatographic determination of organic compounds - Active sampling by accumulation on adsorbents - Thermal desorption

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German title

Messen gasförmiger Verbindungen in der Außenluft - Messen von Innenraumluftverunreinigungen - Gaschromatografische Bestimmung organischer Verbindungen - Aktive Probenahme durch Anreicherung auf Adsorbenzien - Thermodesorption

Publication date
Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
Technical Division Environmental Measurement Technologies
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German, English

Guideline VDI 2100 describes the selective determination of organic compounds in ambient air by means of gas chromatographic methods. The groups of substances to be determined include aromatics (e.g. benzene, toluene, xylenes), aliphatics (e.g. hexane, heptane, octane), but also halogenated hydrocarbons like e.g. trichloromethane, trichloroethane, tetrachloroethene and 1,1,2-trichloro-1,2,2-trifluoroethane, in an analytical window from pentane to dodecane. The guideline describes the accumulating sampling of volatile organic compounds on polymer organic sorbents. For gas chromatographic analysis the substances are thermally desorbed by rapid heating. The guideline describes the procedures for sampling, sample injection and chromatographic separation. Examples with performance characteristics are listed in the Annex. For the use of this guideline, basic knowledge of gas chromatography is required.

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