The document specifies a method for the determination of organochlorine pesticide residues in tobacco and tobacco products. After two-step extraction and clean-up by packed column the determination is made by gas chromatography.
DIN ISO 4389:2001 history
2001DIN ISO 4389:2001 Tobacco and tobacco products - Determination of organochlorine pesticide residues - Gas chromatographic method (ISO 4389:2000)