BS ISO 24293. Water quality. Determination of individual isomers of nonylphenol. Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
Water quality. Physical, chemical and biochemical methods-Determination of phenol index: 4-aminoantipyrine (4-aminophenazone) spectrometric methods after distillation
Water quality. Determination of dissolved anions by liquid chromatography of ions-Determination of chlorate, chloride and chlorite in water with low contamination