Registration number (WIID)Project No.TitleStatus
19362ISO 11423-1:1997Water quality — Determination of benzene and some derivatives — Part 1: Head-space gas chromatographic methodStandarts spēkā
79665ISO 19388:2023Sludge recovery, recycling, treatment and disposal — Requirements and recommendations for the operation of anaerobic digestion facilitiesStandarts spēkā
68479ISO 20595:2018Water quality — Determination of selected highly volatile organic compounds in water — Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS)Standarts spēkā
17869ISO 9964-1:1993Water quality — Determination of sodium and potassium — Part 1: Determination of sodium by atomic absorption spectrometryStandarts spēkā
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
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
44752ISO 28540:2011Water quality — Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water — Method using gas chromatography with mass spectrometric detection (GC-MS)Standarts spēkā
86836ISO 18191:2026Water quality — Determination of pHT in seawater — Method using the indicator dye m-cresol purpleStandarts spēkā
84406ISO 13646:2025Water quality — Determination of selected estrogens in whole water samples — Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detectionStandarts spēkā
Displaying 151-160 of 354 results.