CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70760 | prEN XXX | Soil improvers and growing media - Determination of phosphonate content | Izstrādē |
| 69622 | EN 15238:2022 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Izstrādē |
| 31135 | EN 16086-2:2011 | Soil improvers and growing media - Determination of plant response - Part 2: Petri dish test using cress | Izstrādē |
| 29387 | EN 13041:2011 | Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space | Izstrādē |
| 71900 | prEN 17728 | Organic soil improvers - Overview of methods for the determination of the pH, electrical conductivity, the organic carbon content and the organic nitrogen content | Izstrādē |
| 69623 | prEN 13654-2 rev | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 70752 | prEN XXX | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Izstrādē |
| 10379 | EN 13652:2001 | Soil improvers and growing media - Extraction of water soluble nutrients and elements | Izstrādē |
| 70759 | prEN XXX | Soil improvers and growing media - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC) | Izstrādē |
| 70763 | prEN XXX | Soil improvers and growing media — Enumeration of Enterococcaceae | Izstrādē |
Displaying 21-30 of 159 results.