Determination of Poly Aromatic Hydrocarbons (PAHs) Back

Polyaromatic hydrocarbons (PAHs) are organic compounds that are potentially harmful to human health. These compounds occur in combustion processes and in some industrial applications. PAHs contamination can be found in textiles, plastics, rubber and some consumer products. The determination of PAHs is important in assessing the safety of products.

AfPS GS 2019:01 PAK is a directive used in Germany for the determination of PAHs. This directive sets specific standards for the detection and measurement of PAHs.

A general approach for the determination of PAHs is as follows:

1. **Sample Preparation:** A homogeneous sample is taken from the material to be analyzed.

2. **Extraction:** The sample is extracted with a suitable solvent (eg dichloromethane or hexane). This transfers the PAHs in the sample to the liquid phase.

3. **Purification:** The extract may need to be purified with silica gel or another purification technology.

4. **Analysis:** Gas chromatography and mass spectrometry (GC-MS) are generally used for the detection and quantitative determination of PAHs compounds.

5. **Evaluation of Results:** The analysis results obtained are compared with the limit values specified in AfPS GS 2019:01 PAK.

By reviewing the full text of the AfPS GS 2019:01 PAK directive, you can familiarize yourself with the detailed procedures and requirements for sample preparation, extraction, purification and analysis. This guideline provides specific protocols and limit values for the detection and measurement of PAHs.

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