KS I ISO 18857-2-2021 水质.选定烷基酚的测定.第2部分:固相萃取和衍生后未过滤样品中烷基酚及其乙氧基化物和双酚A的气相色谱-质谱测定
Water quality — Determination of selected alkylphenols —Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples followin