CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10997 | EN ISO 11905-1:1998 | Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997) | Izstrādē |
| 29874 | EN ISO 11885:2009 | Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007) | Izstrādē |
| 11057 | EN ISO 11885:1997 | Water quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopy (ISO 11885:1996) | Atcelts |
| 11048 | EN ISO 11734:1998 | Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995) | Izstrādē |
| 11113 | EN ISO 11733:2004 | Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004) | Izstrādē |
| 11049 | EN ISO 11733:1998 | Water quality - Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:1995) | Atcelts |
| 22922 | EN ISO 11732:2005 | Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) | Izstrādē |
| 11042 | EN ISO 11732:1997 | Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:1997) | Atcelts |
| 28418 | EN ISO 11731-2:2008 | Water quality - Detection and enumeration of Legionella - Part 2: Direct membrane filtration method for waters with low bacterial counts (ISO 11731-2:2004) | Atcelts |
| 38684 | EN ISO 11731:2017 | Water quality - Enumeration of Legionella (ISO 11731:2017) | Standarts spēkā |
Displaying 611-620 of 814 results.