CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
11051 | LVS EN 1899-2:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples (ISO 5815:1989, modified) | |
65985 | LVS EN ISO 13161:2020 | Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020) | Standarts spēkā |
63237 | LVS EN ISO 5815-1:2020 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019) | Standarts spēkā |
67605 | LVS EN ISO 22125-1:2020 | Water quality - Technetium-99 - Part 1: Test method using liquid scintillation counting (ISO 22125-1:2019) | Standarts spēkā |
62648 | LVS EN 14614:2020 | Water quality - Guidance standard for assessing the hydromorphological features of rivers | Standarts spēkā |
73269 | LVS EN 17899:2024 | Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality | Standarts spēkā |
67604 | LVS EN ISO 22125-2:2020 | Water quality - Technetium-99 - Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 22125-2:2019) | Standarts spēkā |
79408 | EN ISO 15923-1:2024 | Water 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 |
73162 | LVS EN ISO 17294-2:2023 | Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023) | Standarts spēkā |
72995 | LVS EN ISO 10872:2021 | Water and soil quality - Determination of the toxic effect of sediment and soil samples on growth, fertility and reproduction of Caenorhabditis elegans (Nematoda) (ISO 10872:2020) | Standarts spēkā |
Displaying 11-20 of 801 results.