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DIN EN 17322:2021 Edition

$48.10

Environmental Solid Matrices – Determination of polychlorinated biphenyls (PCB) by gas chromatography – mass selective detection (GC-MS) or electron-capture detection (GC-ECD)

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DIN 2021-03 51
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This document specifies a method for quantitative determination of seven selected polychlorinated biphenyls (PCB28, PCB52, PCB101, PCB118, PCB138, PCB153 and PCB180) in environmental solid matrices using using high-resolution gas chromatography with electron capture or mass spectrometric detection. The limit of detection depends on the determinants, the equipment used, the quality of chemicals used for the extraction of the sample and the clean-up of the extract. Under the conditions specified in this European Standard draft, lower limit of application from 1 µg/kg (expressed as dry matter) for soils, sludge and biowaste to 10 µg/kg (expressed as dry matter) for solid waste can be achieved. For some specific samples the limit of 10 µg/kg cannot be reached. Sludge, waste and treated biowaste may differ in properties, as well as in the expected contamination levels of PCBs and presence of interfering substances. These differences make it impossible to describe one general procedure. This draft European standard contains decision tables based on the properties of the sample and the extraction and clean-up procedure to be used. The method may be applied to the analysis of other PCB congeners not specified in the scope, provided suitability is proven by proper in-house validation experiments

DIN EN 17322
$48.10