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 |
| 77935 | prEN 18252 | Soil improvers and growing media - Determination of the chloride content | Aptauja slēgta |
| 70767 | prEN 18257 | Soil improvers and growing media - Determination of chromium(VI) | Aptauja slēgta |
| 69624 | prEN 13651 | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | 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 |
| 69554 | prEN 17733 | Soil improvers and growing media - Methods for sampling and sample preparation | Aptauja slēgta |
| 79448 | prEN 13040-2 | Soil improvers and growing media - Sample preparation - Part 2: Sample preparation for microbiological examination | Aptauja slēgta |
| 69621 | prEN 16087-2 | Soil improvers and growing media - Determination of the aerobic biological degradation rate of organic matter - Part 2: Self heating test for compost | Aptauja slēgta |
| 70800 | prEN 17732 | Soil improvers and growing media - Terminology | Aptauja slēgta |
Displaying 51-60 of 161 results.