CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10326 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 2: Determination of potassium content | Izstrādē |
| 10334 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 10: Determination of iron content | Izstrādē |
| 10369 | - | Soil improvers and growing media - Determination of mercury content | Izstrādē |
| 10331 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 7: Determination of Boron content | Izstrādē |
| 10362 | - | Soil improvers and growing media - Determination of nitrogen immobilisation capacity | Izstrādē |
| 10353 | - | Soil improvers and growing media - Determination of inert contaminants content | Izstrādē |
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 10327 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 3: Determination of calcium content | Izstrādē |
Displaying 131-140 of 161 results.