CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10997 | LVS EN ISO 11905-1:1998 | Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate | Standarts spēkā |
| 27658 | LVS EN ISO 17852:2008 | Water quality - Determination of mercury - Method using atomic fluorescence spectrometry | Standarts spēkā |
| 11030 | LVS EN ISO 10695:2001 | Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods | Standarts spēkā |
| 11031 | LVS EN 12918:2001 | Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis | Standarts spēkā |
| 11048 | LVS EN ISO 11734:1998 | Water quality - Evalution of the "ultimate" anaerobic biodegrability of organic compounds in digested sludge - Method by measurement of the biogas production | Standarts spēkā |
| 30867 | LVS EN ISO 11348-2:2009 | 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 (ISO 11348-2:2007) | Standarts spēkā |
| 33113 | LVS EN ISO 8692:2012 | Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012) | Standarts spēkā |
| 32263 | LVS EN 16039:2012 | Water quality - Guidance standard on assessing the hydromorphological features of lakes | Standarts spēkā |
| 63219 | LVS EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019) | Standarts spēkā |
| 22919 | LVS EN 1622:2006 | Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN) | Standarts spēkā |
Displaying 231-240 of 814 results.