Registration number (WIID)Project No.TitleStatus
17082ISO 9390:1990Water quality — Determination of borate — Spectrometric method using azomethine-HStandarts spēkā
15249ISO 8165-1:1992Water quality — Determination of selected monovalent phenols — Part 1: Gas-chromatographic method after enrichment by extractionStandarts spēkā
34673ISO 18857-2:2009Water quality — Determination of selected alkylphenols — Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisationStandarts spēkā
86833ISO 11352:2025Water quality — Estimation of measurement uncertainty based on validation and quality control dataStandarts spēkā
31354ISO 15587-1:2002Water quality — Digestion for the determination of selected elements in water — Part 1: Aqua regia digestionStandarts spēkā
14809ISO 7875-2:1984Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagentStandarts spēkā
63093ISO 18635:2016Water quality — Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter — Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI)Standarts spēkā
42742ISO 25101:2009Water quality — Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) — Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometryStandarts spēkā
18599ISO 10530:1992Water quality — Determination of dissolved sulfide — Photometric method using methylene blueStandarts spēkā
41074ISO 22719:2008Water quality — Determination of total alkalinity in sea water using high precision potentiometric titrationStandarts spēkā
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