CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 33760 | EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Izstrādē |
| 75415 | prEN ISO 20596-2 | Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021) | Izstrādē |
| 24558 | EN ISO 16588:2003/A1:2005 | Water quality - Determination of six complexing agents - Gas-chromatographic method (ISO 16588:2002/Amd 1:2004) | Izstrādē |
| 77973 | prEN ISO 9308-4 | Water quality — Enumeration of Escherichia coli and coliform bacteria — Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria | Izstrādē |
| 21715 | EN ISO 15913:2003 | Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization (ISO 15913:2000) | Izstrādē |
| 21718 | EN ISO 17495:2003 | Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001) | Izstrādē |
| 40119 | EN 16772:2016 | Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of rivers | Izstrādē |
| 63235 | prEN ISO 10634 | Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium | Izstrādē |
| 11098 | prEN 26461-2:1993 rev | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration | Izstrādē |
| 11090 | EN ISO 15587-2:2002 | Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002) | Izstrādē |
Displaying 701-710 of 801 results.