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Water quality — Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes — Gas chromatographic method after liquid-liquid extraction
90.93 Standard confirmed
Water quality — Determination of cyanide — Part 1: Determination of total cyanide
90.93 Standard confirmed
Water quality — Determination of cyanide — Part 2: Determination of easily liberatable cyanide
90.93 Standard confirmed
Water quality — Determination of cyanide — Part 3: Determination of cyanogen chloride
90.93 Standard confirmed
Water quality — Determination of nitrite — Molecular absorption spectrometric method
90.93 Standard confirmed
Water quality — Determination of ammonium — Potentiometric method
90.93 Standard confirmed
Water quality — Determination of phosphorus — Ammonium molybdate spectrometric method
90.20 Standard under periodical review
Water quality — Determination of ammonium — Part 1: Manual spectrometric method
90.93 Standard confirmed
Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine
90.93 Standard confirmed
Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine — Technical Corrigendum 1
60.60 Standard published
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
90.93 Standard confirmed
Water quality — Determination of free chlorine and total chlorine — Part 3: Iodometric titration method for the determination of total chlorine
90.93 Standard confirmed
Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS)
90.93 Standard confirmed
Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS) — Technical Corrigendum 1
60.60 Standard published
Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagent
90.93 Standard confirmed
Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acid
90.93 Standard confirmed
Water quality — Determination of calcium and magnesium — Atomic absorption spectrometric method
90.93 Standard confirmed
Water quality — Determination of polycyclic aromatic hydrocarbons (PAH) — Part 1: Determination of six PAH by high-performance thin-layer chromatography with fluorescence detection after liquid-liquid extraction
90.93 Standard confirmed
