CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11071 | EN ISO 9888:1999 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999) | Izstrādē |
| 11069 | EN ISO 9408:1999 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO 9408:1999) | Izstrādē |
| 41270 | EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017) | Izstrādē |
| 81890 | EN 17892:2024/prA1 | Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS) | Izstrādē |
| 24309 | EN 15196:2006 | Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment | Izstrādē |
| 24737 | EN ISO 14593:2005 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test) (ISO 14593:1999) | Izstrādē |
| 39032 | EN 14757:2015 | Water quality - Sampling of fish with multi-mesh gillnets | Izstrādē |
| 31702 | EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) | Izstrādē |
| 20545 | EN ISO 10705-1:2001 | Water quality - Detection and enumeration of bacteriophages - Part 1: Enumeration of F-specific RNA bacteriophages (ISO 10705-1:1995) | Izstrādē |
| 63057 | CEN/TR 17245:2018 | Water quality - Technical report for the routine sampling of benthic diatoms from rivers and lakes adapted for metabarcoding analyses | Izstrādē |
Displaying 601-610 of 800 results.