CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70844 | EN ISO 23753-2:2019/A1:2020 | Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) - Amendment 1 (ISO 23753-2:2019/DAM 1:2020) | Izstrādē |
| 37228 | EN ISO 14238:2013 | Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012) | Izstrādē |
| 67819 | EN 15216:2021 | Environmental matrices - Determination of total dissolved solids (TDS) in water and eluates - Complementary element | Izstrādē |
| 35721 | EN 16424:2014 | Characterization of waste - Screening methods for the element composition by portable X-ray fluorescence intruments | Izstrādē |
| 37222 | EN ISO 17380:2013 | Soil quality - Determination of total cyanide and easily liberatable cyanide - Continuous-flow analysis method (ISO/DIS 17380:2011) | Izstrādē |
| 37225 | EN ISO 11268-3:2015 | Soil quality - Effects of pollutants on earthworms - Part 3: Guidance on the determination of effects in field situations (ISO 11268-3:2014) | Izstrādē |
| 37224 | EN ISO 11268-1:2015 | Soil quality - Effects of pollutants on earthworms - Part 1: Determination of acute toxicity to Eisenia fetida/Eisenia andrei (ISO 11268-1:2012) | Izstrādē |
| 35655 | EN 16179:2012 | Sludge, treated biowaste and soil - Guidance for sample pretreatment | Izstrādē |
| 78974 | prEN ISO 22155 rev | Soil quality — Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers — Static headspace method | Izstrādē |
| 70504 | EN ISO 11266:2020 | Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under aerobic conditions (ISO 11266:1994) | Izstrādē |
Displaying 301-310 of 354 results.