CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70837 | LVS EN ISO 11267:2023 | Soil quality - Inhibition of reproduction of Collembola (Folsomia candida) by soil contaminants (ISO 11267:2023) | Standarts spēkā |
| 81085 | LVS EN ISO 18475:2025 | Environmental solid matrices - Determination of polychlorinated biphenyls (PCB) by gas chromatography - mass selective detection (GC-MS) or electron-capture detection (GC-ECD) (ISO 18475:2023) | Standarts spēkā |
| 65200 | LVS EN ISO 23161:2019 | Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2018) | Standarts spēkā |
| 79453 | EN ISO 11465:2025 | Sludge and solid environmental matrices - Determination of dry residue or water content and calculation of the dry matter fraction on a mass basis (ISO 11465:2025) | Standarts spēkā |
| 59885 | LVS EN ISO 21268-2:2020 | Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like material - Part 2: Batch test using a liquid to solid ratio of 10 l/kg dry matter (ISO 21268-2:2019) | Standarts spēkā |
| 79253 | LVS EN ISO 11265:2025 | Environmental solid matrices - Determination of the specific electrical conductivity (ISO 11265:2025) | Standarts spēkā |
| 70497 | LVS EN ISO 15685:2020 | Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation (ISO 15685:2012) | Standarts spēkā |
| 61103 | EN ISO 23470:2018 | Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution (ISO 23470:2018) | Standarts spēkā |
| 70233 | EN 15936:2022 | Sludge, treated biowaste, soil and waste - Determination of total organic carbon (TOC) by dry combustion | Standarts spēkā |
| 76892 | LVS EN ISO 18227:2025 | Environmental solid matrices - Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025) | Standarts spēkā |
Displaying 101-110 of 362 results.