CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11084 | EN ISO 7393-1:2000 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985) | Izstrādē |
| 11038 | EN ISO 7346-3:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 3: Flow-through method (ISO 7346-3:1996) | Izstrādē |
| 11037 | EN ISO 7346-2:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 2: Semi-static method (ISO 7346-2:1996) | Izstrādē |
| 11036 | EN ISO 7346-1:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 1: Static method (ISO 7346-1:1996) | Izstrādē |
| 63219 | EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/DIS 7027-2:2017) | Izstrādē |
| 11075 | EN ISO 7027:1999 | Water quality - Determination of turbidity (ISO 7027:1999) | Atcelts |
| 39697 | EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO/DIS 7027-1:2014) | Standarts spēkā |
| 21805 | EN ISO 6878:2004 | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method (ISO 6878:2004) | Izstrādē |
| 11015 | EN ISO 6468:1996 | Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes - Gas chromatographic method after liquid-liquid extraction (ISO 6468:1996) | 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 |
Displaying 481-490 of 832 results.