CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10371 | - | Soil improvers and growing media - Determination of fluoride content | Izstrādē |
| 10327 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 3: Determination of calcium content | Izstrādē |
| 10335 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 11: Determination of manganese content | Izstrādē |
| 10329 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 5: Determination of sulfur content | Izstrādē |
| 10321 | - | Soil improvers and growing media - Methods of extraction - Part 2: Extraction by ammonium acetate | Izstrādē |
| 10323 | - | Soil improvers and growing media - Determination after extraction by water - Part 2: Determination of ammoniacal nitrogen contents | Izstrādē |
| 10322 | - | Soil improvers and growing media - Determination after extraction by water - Part 1: Determination of chloride content | Izstrādē |
| 65635 | EN 16087-1:2020 | Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) | Izstrādē |
| 10320 | - | Soil improvers and growing media - Methods of extraction - Part 1: Extraction by water | Izstrādē |
| 24337 | EN 15428:2007 | Soil improvers and growing media - Determination of particle size distribution | Izstrādē |
Displaying 151-160 of 161 results.