CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
63239 | EN ISO 21253-2:2019 | Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019) | Izstrādē |
37332 | EN ISO 27108:2013 | Water quality - Determination of selected plant treatment agents and biocide products - Method using solid-phase microextraction (SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO 27108:2010) | 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 |
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 |
11061 | EN ISO 15680:2003 | Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003) | Izstrādē |
63993 | EN ISO 12010:2019 | Water quality - Determination of short-chain polychlorinated alkanes (SCCP) in water - Method using gas chromatography-mass spectrometry (GC-MS) and negative-ion chemical ionization (NCI) (ISO 12010:2019) | Izstrādē |
11007 | EN 25663:1993 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984) | Izstrādē |
81885 | prEN ISO 23695 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Izstrādē |
30872 | EN ISO 15088:2008 | Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007) | Izstrādē |
62649 | - | Water quality - Performance characteristics odf diatom sampling and analysis | Izstrādē |
Displaying 61-70 of 800 results.