CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70758 | prEN XXX | Soil improvers and growing media - Determination of organic nitrogen | Izstrādē |
| 77936 | prEN XXX | Soil improvers and growing media - Determination of aqua regia soluble elements | Izstrādē |
| 70752 | prEN XXX | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Izstrādē |
| 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 |
| 77935 | prEN XXX | Soil improvers and growing media — Determination of the chloride content | Izstrādē |
| 69554 | prEN 17733 | Soil improvers and growing media - Overview of sampling and sample preparation methods | Izstrādē |
| 70800 | prEN 17732 | Soil improvers and growing media - Terminology | Izstrādē |
| 71907 | prEN 17731 | Growing media - Overview of methods for the determination of the electrical conductivity, pH, dry matter, quantity, the total copper and zinc content, the water soluble chloride content, and the CaCl2/DTPA extractable nitrogen, P2O5 and K2O content | Izstrādē |
| 71908 | prEN 17730 | Soil improvers and growing media - Overview of methods for the determination of PAH16, macroscopic impurities above 2mm, the temperature-time profiles, the oxygen uptake rate, the self-heating factor and the residual biogas potential in compost and digestate when used in fertilizing products | Izstrādē |
| 71896 | prEN 17729 | Soil improvers - Overview of methods for the determination of the dry matter, quantity, the copper, zinc, chloride, nitrogen, P2O5 and K2O content | Izstrādē |
Displaying 11-20 of 159 results.