CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 83562 | prEN ISO 11348-3 rev | Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 3: Method using freeze-dried bacteria | Izstrādē |
| 83560 | prEN ISO 11348-1 rev | Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 1: Method using freshly prepared bacteria | Izstrādē |
| 11070 | EN ISO 9439:2000 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999) | Izstrādē |
| 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 |
| 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 |
| 83561 | prEN ISO 11348-2 rev | Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 2: Method using liquid-dried bacteria | Izstrādē |
| 34595 | EN ISO 6341:2012 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO/DIS 6341:2010) | 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 |
Displaying 791-800 of 831 results.