CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70760 | prEN 18251 | Soil improvers and growing media - Determination of phosphonate content | Aptauja slēgta |
| 70759 | prEN 18261 | Compost and digestate - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC) | Aptauja slēgta |
| 70764 | prEN 18256 | Digestate - Determination of the residual biogas potential | Aptauja slēgta |
| 70758 | prEN 18255 | Soil improvers and growing media - Determination of organic nitrogen | Aptauja slēgta |
| 69554 | prEN 17733 | Soil improvers and growing media - Methods for sampling and sample preparation | Aptauja slēgta |
| 71897 | prEN 18300 | Soil improvers and growing media - Methods for the determination of cadmium, lead, nickel, hexavalent chromium, mercury, inorganic arsenic, phosphonates, total chromium and bioavailable nickel content | Aptauja slēgta |
| 71896 | prEN 17729 | Soil improvers - Methods for the determination of the dry matter, quantity, copper, zinc, chloride, nitrogen, P2O5 and K2O content | Aptauja slēgta |
| 69582 | prEN 13038 | Soil improvers and growing media - Determination of electrical conductivity | Aptauja slēgta |
| 70752 | prEN 18253 | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Aptauja slēgta |
| 69583 | prEN 13037 | Soil improvers and growing media - Determination of pH | Aptauja slēgta |
Displaying 41-50 of 161 results.