Registration number (WIID)Project No.TitleStatus
20784ISO 12020:1997Water quality — Determination of aluminium — Atomic absorption spectrometric methodsStandarts spēkā
21870ISO 13395:1996Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
31355ISO 15587-2:2002Water quality — Digestion for the determination of selected elements in water — Part 2: Nitric acid digestionStandarts spēkā
31091ISO 5815-2:2003Water quality — Determination of biochemical oxygen demand after n days (BODn) — Part 2: Method for undiluted samplesStandarts spēkā
30224ISO 16264:2002Water quality — Determination of soluble silicates by flow analysis (FIA and CFA) and photometric detectionStandarts spēkā
40245ISO 21458:2008Water quality — Determination of glyphosate and AMPA — Method using high performance liquid chromatography (HPLC) and fluorometric detectionStandarts spēkā
14842ISO 7890-3:1988Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acidStandarts spēkā
61730ISO 18191:2015Water quality — Determination of pHt in sea water — Method using the indicator dye m-cresol purpleStandarts spēkā
78571ISO 24384:2024Water quality — Determination of chromium(VI) and chromium(III) in water — Method using liquid chromatography with inductively coupled plasma mass spectrometry (LC-ICP-MS) after chelating pretreatmentStandarts spēkā
31030ISO 16588:2002Water quality — Determination of six complexing agents — Gas-chromatographic methodStandarts spēkā
Displaying 131-140 of 354 results.