CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69623 | prEN 13654-2 | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Aptauja slēgta |
| 77936 | prEN 18259 | Soil improvers and growing media - Determination of aqua regia soluble elements | Aptauja slēgta |
| 70767 | prEN 18257 | Soil improvers and growing media - Determination of chromium(VI) | Aptauja slēgta |
| 71908 | prEN 17730 | Soil improvers and growing media - Methods for the determination of PAH16, macroscopic impurities above 2mm, the temperature-time profiles, oxygen uptake rate, self-heating factor and residual biogas potential in compost and digestate when used in fertilizing products | Aptauja slēgta |
| 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 | Aptauja slēgta |
| 71900 | prEN 17728 | Organic soil improvers - Methods for the determination of pH, electrical conductivity, organic carbon content and organic nitrogen content | Aptauja slēgta |
| 70756 | prEN 18254 | Soil improvers and growing media - Determination of the inorganic arsenic content | Aptauja slēgta |
| 70765 | prEN 18278 | Soil improvers and growing media - Detection of Salmonella spp. | Aptauja slēgta |
| 70757 | prEN 18280 | Soil improvers and growing media - Enumeration of Escherichia coli | Aptauja slēgta |
| 76755 | prEN 18250 | Soil improvers and growing media - Plugs - Determination of the dimensions, volume and bulk density | Aptauja slēgta |
Displaying 101-110 of 161 results.