Найдено: 4
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 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…