CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73093 | EN ISO 10304-4:2022 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022) | Standarts spēkā |
| 22918 | LVS EN 872:2005 A | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Standarts spēkā |
| 73093 | LVS EN ISO 10304-4:2022 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022) | Standarts spēkā |
| 33760 | LVS EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Standarts spēkā |
| 63240 | LVS EN ISO 21253-1:2020 | Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry (ISO 21253-1:2019) | Standarts spēkā |
| 68134 | LVS EN ISO 13164-2:2020 | Water quality - Radon-222 - Part 2: Test method using gamma-ray spectrometry (ISO 13164-2:2013) | Standarts spēkā |
| 61308 | LVS EN ISO 7704:2023 | Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023) | Standarts spēkā |
| 61597 | LVS EN ISO 9308-1:2014/A1:2017 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014/Amd 1:2016) | Standarts spēkā |
| 72780 | EN ISO 17294-1:2024 | Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024) | Standarts spēkā |
| 67629 | LVS EN ISO 9697:2019 | Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018) | Standarts spēkā |
Displaying 751-760 of 814 results.