Registration number (WIID)Project No.TitleStatus
45480ISO 29441:2010Water quality — Determination of total nitrogen after UV digestion — Method using flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
34098ISO 20179:2005Water quality — Determination of microcystins — Method using solid phase extraction (SPE) and high performance liquid chromatography (HPLC) with ultraviolet (UV) detectionStandarts spēkā
20105ISO 9963-2:1994Water quality — Determination of alkalinity — Part 2: Determination of carbonate alkalinityStandarts 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
17868ISO 9963-1:1994Water quality — Determination of alkalinity — Part 1: Determination of total and composite alkalinityStandarts spēkā
65560ISO 7393-2:2017Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposesStandarts spēkā
71338ISO 21675:2019Water quality — Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water — Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)Standarts spēkā
51994ISO 10523:2008Water quality — Determination of pHStandarts spēkā
16952ISO 9297:1989Water quality — Determination of chloride — Silver nitrate titration with chromate indicator (Mohr's method)Standarts spēkā
42156ISO 24293:2009Water quality — Determination of individual isomers of nonylphenol — Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)Standarts spēkā
Displaying 61-70 of 346 results.