Registration number (WIID)Project No.TitleStatus
80976CEN ISO/TS 7013:2025Water quality - Guidance and requirements for designing an interlaboratory trial for validation of analytical methods (ISO/TS 7013:2023)Standarts spēkā
73269LVS EN 17899:2024Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water qualityStandarts spēkā
62648LVS EN 14614:2020Water quality - Guidance standard for assessing the hydromorphological features of riversStandarts spēkā
65985LVS EN ISO 13161:2020Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020)Standarts spēkā
11034LVS EN ISO 11969:2001Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique)Standarts spēkā
79408EN ISO 15923-1:2024Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)Standarts spēkā
69937LVS EN ISO 10703:2021Water quality - Gamma-ray emitting radionuclides - Test method using high resolution gamma-ray spectrometry (ISO 10703:2021)Standarts spēkā
67238LVS EN ISO 13162:2021Water quality - Carbon 14 - Test method using liquid scintillation counting (ISO 13162:2021)Standarts spēkā
68125LVS EN ISO 13164-1:2020Water quality - Radon-222 - Part 1: General principles (ISO 13164-1:2013, Correction version 2013-11-15)Standarts spēkā
79407EN ISO 10705-3:2024Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)Standarts spēkā
Displaying 21-30 of 801 results.