CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70839 | LVS EN ISO 23753-1:2019/A1:2021 | Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) - Amendment 1 (ISO 23753-1:2019/Amd 1:2020) | Standarts spēkā |
| 65561 | CEN/TR 17345:2019 | Waste - State-of-the-art document - Halogens and sulfur by oxidative pyrohydrolytic combustion followed by ion chromatography detection | Standarts spēkā |
| 70659 | LVS EN ISO 11268-2:2023 | Soil quality - Effects of pollutants on earthworms - Part 2: Determination of effects on reproduction of Eisenia fetida/Eisenia andrei and other earthworm species (ISO 11268-2:2023) | Standarts spēkā |
| 70837 | LVS EN ISO 11267:2023 | Soil quality - Inhibition of reproduction of Collembola (Folsomia candida) by soil contaminants (ISO 11267:2023) | Standarts spēkā |
| 61184 | EN ISO 25177:2019 | Soil quality - Field soil description (ISO/DIS 25177:2018) | Standarts spēkā |
| 76065 | LVS EN ISO 16965:2025 | Environmental solid matrices - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 16965:2025) | Standarts spēkā |
| 37214 | EN ISO 11269-2:2013 | Soil quality - Determination of the effects of pollutants on soil flora - Part 2: Effects of contaminated soil on the emergence and early growth of higher plants (ISO 11269-2:2012) | Standarts spēkā |
| 65200 | LVS EN ISO 23161:2019 | Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2018) | Standarts spēkā |
| 68111 | EN ISO 11063:2020 | Soil quality - Direct extraction of soil DNA (ISO 11063:2020) | Standarts spēkā |
| 78905 | LVS EN ISO 17601:2025 | Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative polymerase chain reaction (qPCR) from DNA directly extracted from soil (ISO 17601:2025) | Standarts spēkā |
Displaying 301-310 of 364 results.