UNE-EN ISO 18857-2:2012 水质 选定烷基酚的测定 第2部分：固相萃取和衍生化后未过滤样品中烷基酚、其乙氧基化物和双酚 A 的气相色谱-质谱测定（ISO 18857
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