CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70756 | prEN XXX | Soil improvers and growing media - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution | Izstrādē |
| 70755 | prEN 16202 rev | Soil improvers and growing media — Determination of the content of macroscopic impurities and stones | Izstrādē |
| 70752 | prEN XXX | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Izstrādē |
| 69627 | prEN 15761 | Pre-shaped growing media - Determination of the dimensions measured and bulk density | Aptauja slēgta |
| 69626 | prEN 16087-1 rev | Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) | Izstrādē |
| 69625 | prEN 13654-1 rev | Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method | Izstrādē |
| 69624 | prEN 13651 rev | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Izstrādē |
| 69623 | prEN 13654-2 rev | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 69622 | LVS EN 15238:2023 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Standarts spēkā |
| 69622 | EN 15238:2022 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Izstrādē |
Displaying 41-50 of 159 results.