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Water quality — Determination of cadmium by atomic absorption spectrometry
90.93 Standard confirmed
Water quality — Determination of calcium content — EDTA titrimetric method
90.93 Standard confirmed
Water quality — Determination of the sum of calcium and magnesium — EDTA titrimetric method
90.93 Standard confirmed
Water quality — Determination of iron — Spectrometric method using 1,10-phenanthroline
90.93 Standard confirmed
Water quality — Determination of manganese — Formaldoxime spectrometric method
90.93 Standard confirmed
Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation
90.93 Standard confirmed
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 turbidity — Part 1: Quantitative methods
90.93 Standard confirmed
Water quality — Determination of turbidity — Part 2: Semi-quantitative methods for the assessment of transparency of waters
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