Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection (ISO 18857-1:2005); German version EN ISO 18857-1:2006— 30 стр.
Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009); German version EN ISO 18857-2:2011
Water quality. Determination of individual isomers of nonylphenol. Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)— 36 стр.