CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 29384 | EN 13038:2011 | Soil improvers and growing media - Determination of electrical conductivity | Izstrādē |
| 29382 | EN 13037:2011 | Soil improvers and growing media - Determination of pH | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 27080 | CEN/TS 16202:2013 | Sludge, treated biowaste and soil - Determination of impurities and stones | Izstrādē |
| 69622 | EN 15238:2022 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Izstrādē |
| 10331 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 7: Determination of Boron content | Izstrādē |
| 10369 | - | Soil improvers and growing media - Determination of mercury content | Izstrādē |
| 10361 | - | Soil improvers and growing media - Determination of phytotoxicity | Izstrādē |
| 10355 | - | Soil improvers and growing media - Determination of titrable acidity/alkalinity | Izstrādē |
Displaying 31-40 of 161 results.