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Overview SIST ISO 28540:2012 - "Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC‑MS)" - spec…
Overview ISO 28540:2011 - "Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC‑MS)" - specifies…