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DIN EN 14662-4

Ambient air quality - Standard method for measurement of benzene concentrations - Part 4: Diffusive sampling followed by thermal desorption and gas chromatography; German version EN 14662-4:2005

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German title

Luftbeschaffenheit - Standardverfahren zur Bestimmung von Benzolkonzentrationen - Teil 4: Diffusionsprobenahme mit anschließender Thermodesorption und Gaschromatographie; Deutsche Fassung EN 14662-4:2005

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Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
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The standard describes a method for controlling the European limit value of 5 µg/m<(hoch)3> for benzene by diffusive sampling. The method uses enrichment of benzene on polymerous sorbents, from which it is extracted by rapid heating. After gas chromatographic separation from other compounds benzene ise detected by a suitable detector.

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