German standard methods for the examination of water, waste water and sludge - Substance group analysis (group F) - Part 7: Determination of six polycyclic aromatic hydrocarbons (PAHs) in drinking and mineral water by high-performance thin-layer chromatography (HPTLC) (F7)
Deutsches Institut Fur Normung E.V. (German National Standard) , 09/01/2000