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
20105ISO 9963-2:1994Water quality — Determination of alkalinity — Part 2: Determination of carbonate 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
Displaying 341-346 of 346 results.