CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 37716 | EN ISO 11206:2013 | Water quality - Determination of dissolved bromate - Method using ion chromatography (IC) and post column reaction (PCR) (ISO 11206:2011) | Standarts spēkā |
| 30872 | EN ISO 15088:2008 | Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007) | Standarts spēkā |
| 72999 | EN 17805:2023 | Water quality - Sampling, capture and preservation of environmental DNA from water | Standarts spēkā |
| 73875 | EN ISO 19040-1:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018) | Standarts spēkā |
| 33113 | EN ISO 8692:2012 | Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012) | Standarts spēkā |
| 63993 | LVS EN ISO 12010:2019 | Water quality - Determination of short-chain polychlorinated alkanes (SCCP) in water - Method using gas chromatography-mass spectrometry (GC-MS) and negative-ion chemical ionization (NCI) (ISO 12010:2019) | Standarts spēkā |
| 33673 | EN ISO 5814:2012 | Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012) | Standarts spēkā |
| 73269 | EN 17899:2024 | Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality | Standarts spēkā |
| 81886 | LVS EN ISO 23696-1:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023) | Standarts spēkā |
| 81889 | LVS EN ISO 23697-2:2025 | Water 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) | Standarts spēkā |
Displaying 651-660 of 839 results.