Registration number (WIID)Project No.TitleStatus
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
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
16952ISO 9297:1989Water quality — Determination of chloride — Silver nitrate titration with chromate indicator (Mohr's method)Standarts spēkā
12826ISO 6468:1996Water quality — Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes — Gas chromatographic method after liquid-liquid extractionStandarts spēkā
38714ISO 7875-1:1996/Cor 1:2003Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS) — Technical Corrigendum 1Standarts spēkā
36250ISO 11885:2007Water quality — Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)Standarts spēkā
18417ISO 10359-2:1994Water quality — Determination of fluoride — Part 2: Determination of inorganically bound total fluoride after digestion and distillationStandarts spēkā
Displaying 291-300 of 346 results.