Registration number (WIID)Project No.TitleStatus
39575ISO 16588:2002/Amd 1:2004Water quality — Determination of six complexing agents — Gas-chromatographic method — Amendment 1Standarts spēkā
17871ISO 9964-3:1993Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometryStandarts spēkā
13141ISO 6703-1:1984Water quality — Determination of cyanide — Part 1: Determination of total cyanideStandarts spēkā
14108ISO 7393-3:1990Water quality — Determination of free chlorine and total chlorine — Part 3: Iodometric titration method for the determination of total chlorineStandarts spēkā
14809ISO 7875-2:1984Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagentStandarts spēkā
42742ISO 25101:2009Water quality — Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) — Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometryStandarts spēkā
68420ISO/TS 16780:2015Water quality — Determination of polychlorinated naphthalenes (PCN) — Method using gas chromatography (GC) and mass spectrometry (MS)Standarts spēkā
61076ISO 17943:2016Water quality — Determination of volatile organic compounds in water — Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS)Standarts spēkā
12630ISO 6332:1988Water quality — Determination of iron — Spectrometric method using 1,10-phenanthrolineStandarts spēkā
70157ISO/TS 21231:2019Water quality — Characterization of analytical methods — Guidelines for the selection of a representative matrixStandarts spēkā
Displaying 321-330 of 342 results.