CEN/TC 223
| Reģistrācijas numurs (WIID) | Projekta Nr. | Nosaukums | Statuss |
|---|---|---|---|
| 10331 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 7: Determination of Boron content | Izstrādē |
| 10362 | - | Soil improvers and growing media - Determination of nitrogen immobilisation capacity | Izstrādē |
| 10353 | - | Soil improvers and growing media - Determination of inert contaminants content | Izstrādē |
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 10329 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 5: Determination of sulfur content | Izstrādē |
| 10321 | - | Soil improvers and growing media - Methods of extraction - Part 2: Extraction by ammonium acetate | Izstrādē |
| 10323 | - | Soil improvers and growing media - Determination after extraction by water - Part 2: Determination of ammoniacal nitrogen contents | Izstrādē |
| 10322 | - | Soil improvers and growing media - Determination after extraction by water - Part 1: Determination of chloride content | Izstrādē |
Attēlo no 141. līdz 150. no pavisam 161 ieraksta(-iem).