CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11103 | EN ISO 17993:2003 | Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002) | Izstrādē |
| 11118 | EN ISO 17994:2004 | Water quality - Criteria for establishing equivalence between microbiological methods (ISO 17994:2004) | Atcelts |
| 35959 | EN ISO 17994:2014 | Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014) | Izstrādē |
| 26359 | EN ISO 18412:2006 | Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated water (ISO 18412:2005) | Izstrādē |
| 41078 | EN ISO 18635:2016 | Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter - Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) (ISO 18635:2016) | Izstrādē |
| 77977 | EN ISO 18724:2025 | Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025) | Standarts spēkā |
| 21719 | EN ISO 18856:2005 | Water quality - Determination of selected phthalates using gas chromatography/mass spectrometry (ISO 18856:2004) | Izstrādē |
| 26360 | EN ISO 18857-1:2006 | Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection (ISO 18857-1:2005) | Izstrādē |
| 35341 | EN ISO 18857-2:2011 | Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009) | Izstrādē |
| 73875 | EN ISO 19040-1:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018) | Standarts spēkā |
Displaying 271-280 of 814 results.