CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 71941 | LVS EN ISO 13163:2022 | Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021) | Standarts spēkā |
| 11065 | LVS EN ISO 14911:2000 | Water quality - Determonation of dissolved Li+, Na+, NH+4, K+, Mn+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water | Standarts spēkā |
| 11043 | LVS EN ISO 13395:1996 A | Water quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection | 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 |
| 11018 | LVS EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | Standarts spēkā |
| 73162 | 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, Corrected version 2024-02) | Standarts spēkā |
| 11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
| 40318 | LVS EN 16859:2017 | Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment | Standarts spēkā |
| 60334 | LVS EN ISO 20227:2017 | Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017) | Standarts spēkā |
Displaying 691-700 of 814 results.