Registration number (WIID)Project No.TitleStatus
81889LVS EN ISO 23697-2:2025Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023) 
81890EN 17892:2024/prA1Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)Izstrādē
82047prEN ISO 6461-2 revWater quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 2: Method by membrane filtrationIzstrādē
82229prEN 16039Water quality - Guidance standard on assessing the hydromorphological features of lakesAptauja
82498-Water quality - Determination of selected per- and polyfluoroalkyl substances in wastewater - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)Izstrādē
82508prEN ISO 25806Water quality - Guidance on field and laboratory procedures for aquatic macroinvertebrate sample preservation for DNA based analysesIzstrādē
82515prEN ISO 25807Water quality — Guidance on laboratory procedures mechanical homogenization and DNA extraction of aquatic macroinvertebrate samplesIzstrādē
82645prEN ISO 13169Water quality - Uranium - Test method using alpha liquid scintillation counting (ISO/DIS 13169:2025)Aptauja
82864FprCEN ISO/TS 16099Water quality - Polymerase chain reaction (PCR) for the detection and quantification of microorganisms and viruses - General requirements, quality assurance and validation (ISO/TS 16099:2025)Izstrādē
83329prEN ISO 13808-1Water quality -- Non-target screening of organic compounds in water using chromatography and mass spectrometry -- Part 1: General guidelinesIzstrādē
Displaying 811-820 of 824 results.