Registration number (WIID)Project No.TitleStatus
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
13273ISO 6777:1984Water quality — Determination of nitrite — Molecular absorption spectrometric methodStandarts spēkā
17870ISO 9964-2:1993Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometryStandarts spēkā
84460ISO 16094-2:2025Water quality — Analysis of microplastic in water — Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking waterStandarts spēkā
12630ISO 6332:1988Water quality — Determination of iron — Spectrometric method using 1,10-phenanthrolineStandarts spēkā
64654ISO 19340:2017Water quality — Determination of dissolved perchlorate — Method using ion chromatography (IC)Standarts spēkā
19314ISO 11369:1997Water quality — Determination of selected plant treatment agents — Method using high performance liquid chromatography with UV detection after solid-liquid extractionStandarts spēkā
Displaying 261-270 of 346 results.