CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 21713 | EN ISO 22478:2006 | Water quality - Determination of certain explosives and related compounds - Method using high-performance liquid chromatography (HPLC) with UV detection (ISO 22478:2006) | Izstrādē |
| 67612 | EN ISO 22908:2020 | Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020) | Izstrādē |
| 76867 | EN ISO 23196:2023 | Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022) | Izstrādē |
| 21712 | EN ISO 23631:2006 | Water quality - Determination of dalapon, trichloroacetic acid and selected haloacetic acids - Method using gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid extraction and derivatization (ISO 23631:2006) | Izstrādē |
| 28036 | EN ISO 23631:2006/AC:2007 | Water quality - Determination of dalapon, trichloroacetic acid and selected haloacetic acids - Method using gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid extraction and derivatization (ISO 23631:2006) | Izstrādē |
| 81885 | EN ISO 23695:2025 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Aptauja slēgta |
| 81886 | 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) | Aptauja slēgta |
| 81887 | EN ISO 23696-2:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) | Aptauja slēgta |
| 81888 | EN ISO 23697-1:2025 | Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023) | Aptauja slēgta |
| 81889 | 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) | Aptauja slēgta |
Displaying 301-310 of 814 results.