CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10377 | EN 13650:2001 | Soil improvers and growing media - Extraction of aqua regia soluble elements | Izstrādē |
| 10377 | LVS EN 13650:2002 A | Soil improvers and growing media - Extraction of aqua regia soluble elements | Standarts spēkā |
| 10378 | EN 13651:2001 | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Izstrādē |
| 10378 | LVS EN 13651:2002 A | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Standarts spēkā |
| 10379 | EN 13652:2001 | Soil improvers and growing media - Extraction of water soluble nutrients and elements | Izstrādē |
| 10379 | LVS EN 13652:2002 A | Soil improvers and growing media - Extraction of water soluble nutrients and elements | Standarts spēkā |
| 10380 | EN 13654-1:2001 | Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method | Izstrādē |
| 10380 | LVS EN 13654-1:2002 A | Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method | Standarts spēkā |
| 10381 | EN 13654-2:2001 | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 10381 | LVS EN 13654-2:2002 A | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Standarts spēkā |
Displaying 51-60 of 159 results.