CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71907 | prEN 17731 | Growing media - Methods for the determination of the electrical conductivity, pH, dry matter, quantity, total copper and zinc content, water soluble chloride content, and CaCl2/DTPA extractable nitrogen, P2O5 and K2O content | Izstrādē |
| 70800 | prEN 17732 | Soil improvers and growing media - Terminology | Izstrādē |
| 69554 | prEN 17733 | Soil improvers and growing media - Methods for sampling and sample preparation | Izstrādē |
| 76755 | prEN 18250 | Soil improvers and growing media - Plugs - Determination of the dimensions, volume and bulk density | Izstrādē |
| 70760 | prEN 18251 | Soil improvers and growing media - Determination of phosphonate content | Izstrādē |
| 77935 | prEN 18252 | Soil improvers and growing media - Determination of the chloride content | Izstrādē |
| 70752 | prEN 18253 | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Aptauja |
| 70756 | prEN 18254 | Soil improvers and growing media - Determination of the inorganic arsenic content | Aptauja |
| 70758 | prEN 18255 | Soil improvers and growing media - Determination of organic nitrogen | Aptauja |
| 70764 | prEN 18256 | Digestate - Determination of the residual biogas potential | Aptauja |
Displaying 141-150 of 159 results.