CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 29876 | LVS EN ISO 23913:2009 | Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006) | Standarts spēkā |
| 29873 | LVS EN ISO 10304-1:2009 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007) | Standarts spēkā |
| 11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
| 36146 | LVS EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 11045 | LVS EN ISO 8689-1:2001 A | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 11103 | LVS EN ISO 17993:2004 | Water quality - Determination of 15 polynuclear aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction | Standarts spēkā |
| 79407 | EN ISO 10705-3:2024 | Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003) | Standarts spēkā |
| 29874 | LVS EN ISO 11885:2009 | Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007) | Standarts spēkā |
| 33113 | LVS EN ISO 8692:2012 | Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012) | Standarts spēkā |
Displaying 281-290 of 813 results.