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Water quality — Determination of benzene and some derivatives — Part 2: Method using extraction and gas chromatography
90.20 Standard under periodical review
Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection
90.20 Standard under periodical review
Water quality — Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
90.93 Standard confirmed
Water quality — Determination of nitrogen — Part 1: Method using oxidative digestion with peroxodisulfate
90.20 Standard under periodical review
Water quality — Determination of suspended solids by filtration through glass-fibre filters
90.20 Standard under periodical review
Water quality — Determination of short-chain polychlorinated alkanes (SCCP) in water — Method using gas chromatography-mass spectrometry (GC-MS) and negative-ion chemical ionization (NCI)
90.20 Standard under periodical review
Water quality — Determination of aluminium — Atomic absorption spectrometric methods
90.20 Standard under periodical review
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