Registration number (WIID)Project No.TitleStatus
17870ISO 9964-2:1993Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometryStandarts spēkā
13273ISO 6777:1984Water quality — Determination of nitrite — Molecular absorption spectrometric methodStandarts spēkā
72563ISO 22104:2021Water quality — Determination of microcystins — Method using liquid chromatography and tandem mass spectrometry (LC-MS/MS)Standarts spēkā
46004ISO 10304-1:2007Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfateStandarts spēkā
85798ISO 20236:2024Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustionStandarts spēkā
2155ISO 11905-1:1997Water quality — Determination of nitrogen — Part 1: Method using oxidative digestion with peroxodisulfateStandarts spēkā
17082ISO 9390:1990Water quality — Determination of borate — Spectrometric method using azomethine-HStandarts spēkā
11757ISO 5664:1984Water quality — Determination of ammonium — Distillation and titration methodStandarts spēkā
19070ISO 11083:1994Water quality — Determination of chromium(VI) — Spectrometric method using 1,5-diphenylcarbazideStandarts spēkā
12795ISO 6439:1990Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillationStandarts spēkā
Displaying 181-190 of 354 results.