CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
34748 | prEN 16691 | Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS) | Izstrādē |
10964 | EN ISO 6222:1999 | Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999) | Izstrādē |
23102 | prEN ISO 7346-2 rev | 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 |
26422 | prEN ISO 22032 | Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry | 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 |
11018 | EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | 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 |
10992 | EN ISO 8467:1995 | Water quality - Determination of permanganate index (ISO 8467:1993) | Izstrādē |
11058 | EN ISO 8689-2:2000 | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-2:2000) | Izstrādē |
11046 | EN ISO 9308-3:1998 | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and wastewater - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 9308-3:1998) | Izstrādē |
Displaying 471-480 of 792 results.