CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
81888 | prEN ISO 23697-1 | Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023) | Izstrādē |
81885 | prEN ISO 23695 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Izstrādē |
82047 | prEN ISO 6461-2 rev | Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 2: Method by membrane filtration | Izstrādē |
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 |
34746 | EN 16693:2015 | Water quality - Determination of organochlorine pesticides (OCP) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS) | Izstrādē |
64593 | EN ISO 11348-3:2008/A1:2018 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria - Amendment 1 (ISO 11348-3:2007/Amd 1:2018) | Izstrādē |
35340 | EN ISO 16265:2012 | Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009) | Izstrādē |
30623 | EN ISO 5667-23:2011 | Water quality - Sampling - Part 23: Determination of priority pollutants in surface water using passive sampling (ISO/DIS 5667-23:2009) | Izstrādē |
11019 | - | Water analysis - Determination of aldrin | Izstrādē |
11112 | - | Water quality - Determination of arsenic - Part 2: AAS hydride technique | Izstrādē |
Displaying 761-770 of 800 results.