Registration number (WIID)Project No.TitleStatus
11756ISO 5663:1984Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with seleniumStandarts spēkā
17870ISO 9964-2:1993Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometryStandarts spēkā
30700ISO 17495:2001Water quality — Determination of selected nitrophenols — Method by solid-phase extraction and gas chromatography with mass spectrometric detectionStandarts spēkā
55221ISO/TS 17379-2:2013Water quality — Determination of selenium — Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)Standarts spēkā
12795ISO 6439:1990Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillationStandarts spēkā
19070ISO 11083:1994Water quality — Determination of chromium(VI) — Spectrometric method using 1,5-diphenylcarbazideStandarts spēkā
11757ISO 5664:1984Water quality — Determination of ammonium — Distillation and titration methodStandarts 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
17082ISO 9390:1990Water quality — Determination of borate — Spectrometric method using azomethine-HStandarts spēkā
38339ISO 22743:2006Water quality — Determination of sulfates — Method by continuous flow analysis (CFA)Standarts spēkā
Displaying 141-150 of 346 results.