Registration number (WIID)Project No.TitleStatus
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
20784ISO 12020:1997Water quality — Determination of aluminium — Atomic absorption spectrometric methodsStandarts spēkā
31355ISO 15587-2:2002Water quality — Digestion for the determination of selected elements in water — Part 2: Nitric acid digestionStandarts spēkā
30224ISO 16264:2002Water quality — Determination of soluble silicates by flow analysis (FIA and CFA) and photometric detectionStandarts spēkā
77139ISO 8466-1:2021Water quality — Calibration and evaluation of analytical methods — Part 1: Linear calibration functionStandarts 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
31666ISO 17993:2002Water quality — Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extractionStandarts spēkā
14838ISO 7888:1985Water quality — Determination of electrical conductivityStandarts spēkā
24784ISO 7875-1:1996Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS)Standarts spēkā
14809ISO 7875-2:1984Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagentStandarts spēkā
Displaying 101-110 of 349 results.