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Overview EN ISO 18857-2:2011 (adopting ISO 18857-2:2009) is a CEN/ISO method for water quality analysis that specifies a gas chromatographic–mass spectrometric (GC‑MS) procedure to determine selected…
Overview EN ISO 18857-1:2006 (ISO 18857-1:2005) is a CEN-endorsed international standard that specifies a validated laboratory method for the determination of selected alkylphenols in non-filtered wa…
Overview ISO 18857-1:2005 - Water quality: Determination of selected alkylphenols (Part 1) specifies a validated laboratory procedure for measuring 4-nonylphenol (mixture of isomers) and 4-(1,1,3,3‑t…
Overview ISO 18857-2:2009 specifies a validated analytical method for determining selected alkylphenols, their ethoxylates, and bisphenol A (BPA) in non‑filtered water samples using solid‑phase extra…