CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10381 | EN 13654-2:2001 | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 10380 | EN 13654-1:2001 | Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method | Izstrādē |
| 10377 | EN 13650:2001 | Soil improvers and growing media - Extraction of aqua regia soluble elements | Izstrādē |
| 69581 | prEN 13650 | Soil improvers and growing media - Digestion by aqua regia for subsequent determination of elements | Izstrādē |
| 71896 | prEN 17729 | Soil improvers - Methods for the determination of the dry matter, quantity, copper, zinc, chloride, nitrogen, P2O5 and K2O content | 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 |
| 27079 | CEN/TS 16201:2013 | Sludge, treated biowaste and soil - Determination of viable plant seeds and propagules | Izstrādē |
| 76755 | prEN 18250 | Soil improvers and growing media - Plugs - Determination of the dimensions, volume and bulk density | Izstrādē |
| 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 | Izstrādē |
| 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 |
Displaying 11-20 of 159 results.
