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Water quality — Determination of dalapon, trichloroacetic acid and selected haloacetic acids — Method using gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid extraction and derivatization
90.93 Standard confirmed
Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
60.60 Standard published
Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
60.60 Standard published
Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
60.60 Standard published
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
60.60 Standard published
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
60.60 Standard published
Water quality — Determination of chromium(VI) — Method using flow analysis (FIA and CFA) and spectrometric detection
90.92 Standard to be revised
Water quality — Determination of individual isomers of nonylphenol — Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
90.93 Standard confirmed
Water quality — Determination of chromium(VI) and chromium(III) in water — Method using liquid chromatography with inductively coupled plasma mass spectrometry (LC-ICP-MS) after chelating pretreatment
60.60 Standard published
Water quality — Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) — Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
90.93 Standard confirmed
Water quality — Determination of selected plant treatment agents and biocide products — Method using solid-phase microextraction (SPME) followed by gas chromatography-mass spectrometry (GC-MS)
90.93 Standard confirmed
Water quality — Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water — Method using gas chromatography with mass spectrometric detection (GC-MS)
90.93 Standard confirmed
Water quality — Determination of total nitrogen after UV digestion — Method using flow analysis (CFA and FIA) and spectrometric detection
90.93 Standard confirmed
Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
90.93 Standard confirmed
Water quality — Determination of ammonium — Distillation and titration method
90.93 Standard confirmed
Water quality — Determination of dissolved oxygen — Iodometric method
90.93 Standard confirmed
Water quality — Determination of dissolved oxygen — Electrochemical probe method
90.60 Close of review
Water quality — Determination of biochemical oxygen demand after n days (BODn) — Part 2: Method for undiluted samples
90.20 Standard under periodical review
