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Water quality — Determination of mercury — Method using atomic absorption spectrometry (AAS) with and without enrichment
90.93 Standard confirmed
Water quality — Determination of easily released sulfide
90.20 Standard under periodical review
Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
90.93 Standard confirmed
Water quality — Determination of phenol index by flow analysis (FIA and CFA)
90.93 Standard confirmed
Water quality — Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) — Part 1: Method using flow injection analysis (FIA)
90.93 Standard confirmed
Water quality — Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) — Part 2: Method using continuous flow analysis (CFA)
90.93 Standard confirmed
Water quality — Determination of dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography — Method for water and waste water
90.93 Standard confirmed
Water quality — Determination of dissolved bromate — Method by liquid chromatography of ions
90.93 Standard confirmed
Water quality — Guidelines for selective immunoassays for the determination of plant treatment and pesticide agents
90.93 Standard confirmed
Water quality — Determination of trace elements using atomic absorption spectrometry with graphite furnace
90.93 Standard confirmed
Water quality — Digestion for the determination of selected elements in water — Part 1: Aqua regia digestion
90.93 Standard confirmed
Water quality — Digestion for the determination of selected elements in water — Part 2: Nitric acid digestion
90.93 Standard confirmed
Water quality — Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
90.93 Standard confirmed
Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) — Part 1: Method by flow injection analysis (FIA)
90.93 Standard confirmed
Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) — Part 2: Method by continuous flow analysis (CFA)
90.60 Close of review
Water quality — Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detection
90.93 Standard confirmed
Water quality — Determination of the chemical oxygen demand index (ST-COD) — Small-scale sealed-tube method
90.93 Standard confirmed
Water quality — Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization
90.93 Standard confirmed
