CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81888 | EN ISO 23697-1:2025 | 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) | Standarts spēkā |
| 81889 | EN ISO 23697-2:2025 | Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023) | Standarts spēkā |
| 29876 | EN ISO 23913:2009 | Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006) | Atcelts |
| 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 |
| 22161 | EN ISO 5667-1:2006 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2006) | Atcelts |
| 28506 | EN ISO 5667-1:2006/AC:2007 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2006) | Atcelts |
| 63560 | EN ISO 5667-1:2022 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO/DIS 5667-1:2019) | Atcelts |
| 75826 | EN ISO 5667-1:2023 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2023) | Standarts spēkā |
| 59274 | EN ISO 5667-14:2016 | Water quality - Sampling - Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling (ISO 5667-14:2014) | Izstrādē |
| 11044 | EN ISO 5667-16:1998 | Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:1998) | Atcelts |
Displaying 311-320 of 824 results.